artificial

　　synthetic, fabricated, contrived, fake, mock, bogus, counterfeit, pseudo

　　conventional

　　traditional, historical, past; accepted, common, regular, routine, mainstream, ordinary

　　demand

　　request, claim, need, order, require, call for

　　decline

　　decrease, degeneration, drop, fall, recession, depression, reduction, slump, worsening

　　develop

　　evolve, advance, grow, improve, progress, flourish

　　difficulty

　　handicap, hardship, adversity, challenge, complication, dilemma, perplexity, plight, trouble

　　early

　　first, old, ancient, primitive, previous, former, remote

　　find

　　discover, come across, encounter, hit on, expose, notice, note, observe, recognize, spot, uncover

　　future

　　whats next, prospect, approaching, expected, destined, forthcoming

　　how

　　describe, operate, explain, clarify, demonstrate, eludicate, expound, illustrate, interpret, account for

　　inevitable

　　unavoidable, certain, destined, fated, inescapable, sure

　　militant

　　armed, belligerent, army, weapon, warlike

　　objection

　　commercial challenge, complaint, disapproval, opposition, protest, query, question, remonstration

　　obstacle

　　bar, barricade, barrier, block, blockage, check, obstruction, problem, snag, hurdle

　　prevalent

　　common, usual, prevailing, widespread, systematic, collective, general, popular

　　reduce

　　curtail, cut, decrease, halve, impair, lessen, moderate, trim, slash

　　role

　　function , job, position, duty, post, task, contribution

　　recent

　　modern, current, now, nowadays, today, contemporaneous, new, novel, present, up-to-date

　　simulate

　　virtual, create, reproduce, pretend, imitate

　　significance

　　importance, milestone, impact, justification, gist, implication, point, purport, vital business, economic, financial, mercantile, profitable, pecuniary

　　worldwide

　　international, cosmopolitan, global, universal, ubiquitous, widespread, around the world

　　解决：solve, resolve, deal with, cope with, handle, tackle

　　消除：get rid of, eradicate, eliminate

　　依赖：rely on, depend on, count on

　　十分：very much, immensely, hugely, largely, greatly, enormously, tremendously

　　损害：damage, hurt, injure, harm, impair

　　给予：give, offer, render, impart, provide

　　发展：develop, cultivate, foster

　　优势：advantage, merit, virtue, benefit, upside, strength

　　缺陷：disadvantage, detect, demerit, drawback, downside, weakness

　　artificial

　　synthetic, fabricated, contrived, fake, mock, bogus, counterfeit, pseudo

　　conventional

　　traditional, historical, past; accepted, common, regular, routine, mainstream, ordinary

　　demand

　　request, claim, need, order, require, call for

　　decline

　　decrease, degeneration, drop, fall, recession, depression, reduction, slump, worsening

　　develop

　　evolve, advance, grow, improve, progress, flourish

　　difficulty

　　handicap, hardship, adversity, challenge, complication, dilemma, perplexity, plight, trouble

　　early

　　first, old, ancient, primitive, previous, former, remote

　　find

　　discover, come across, encounter, hit on, expose, notice, note, observe, recognize, spot, uncover

　　future

　　whats next, prospect, approaching, expected, destined, forthcoming

　　how

　　describe, operate, explain, clarify, demonstrate, eludicate, expound, illustrate, interpret, account for

　　inevitable

　　unavoidable, certain, destined, fated, inescapable, sure

　　militant

　　armed, belligerent, army, weapon, warlike

　　objection

　　commercial challenge, complaint, disapproval, opposition, protest, query, question, remonstration

　　obstacle

　　bar, barricade, barrier, block, blockage, check, obstruction, problem, snag, hurdle

　　prevalent

　　common, usual, prevailing, widespread, systematic, collective, general, popular

　　reduce

　　curtail, cut, decrease, halve, impair, lessen, moderate, trim, slash

　　role

　　function , job, position, duty, post, task, contribution

　　recent

　　modern, current, now, nowadays, today, contemporaneous, new, novel, present, up-to-date

　　simulate

　　virtual, create, reproduce, pretend, imitate

　　significance

　　importance, milestone, impact, justification, gist, implication, point, purport, vital business, economic, financial, mercantile, profitable, pecuniary

　　worldwide

　　international, cosmopolitan, global, universal, ubiquitous, widespread, around the world

　　解决：solve, resolve, deal with, cope with, handle, tackle

　　消除：get rid of, eradicate, eliminate

　　依赖：rely on, depend on, count on

　　十分：very much, immensely, hugely, largely, greatly, enormously, tremendously

　　损害：damage, hurt, injure, harm, impair

　　给予：give, offer, render, impart, provide

　　发展：develop, cultivate, foster

　　优势：advantage, merit, virtue, benefit, upside, strength

　　缺陷：disadvantage, detect, demerit, drawback, downside, weakness