2.损害： Damage, hurt, injure, harm, impair, undermine, jeopardize

　　3.给与：Give, offer, render, impart, provide, supply, afford

　　4.培养：：Develop, cultivate, foster

　　5.优势：Advantage, merit, virtue, benefit, upside, strength

　　6.缺陷：Disadvantage, demerit, drawback, downside, weakness

　　7.使迷惑：Puzzle, bewilder, perplex, baffle

　　8.重要的：Key, crucial, critical, important, significant, vital, substantial, indispensable, imperative

　　9.认为：Think, believe, insist, maintain, assert, conclude, deem, hold, argue, be convinced, be firmly convinced, be fully convinced

　　10.保护：Protect, conserve, preserve

　　11.确保：Assure, ensure, guarantee, pledge

　　12.有害的： Bad, baneful evil, harmful, detrimental

　　13.要求 ：Request, demand, needs, requisition

　　14.消除 ：Eliminate, clear, remove, clear up, take away, smooth away

　　15.导致： Lead to, bring about, result in, cause, spark off, conduce to, procure, induce, generate

　　16.因此：So, therefore, thus, hence, consequently, as a consequence, accordingly, as a result, because of this, as a result of this

　　17.增长至：Grow to，rise to，increase to，go up to，climb to，ascend to，jump to，shoot to

　　18.降低至：Dip to，fall to，decline to，decrease to，drop to，go down to，reduce to， slump to，descend to，sink to，slide to

　　19.保持稳定：Level out，do not change，remain stable，remain still，remain steady，be stable，maintain the same level，remain unchanged，be still，remain the same level，stay constant，keep at the same level，level off，stabilize，keep its stability，even out

　　20.急剧地：Dramatically，drastically，sharply，hugely，enormously，steeply，substantially，considerably，significantly，markedly，surprisingly，strikingly，radically，remarkably，vastly，noticeably

　　21.平稳地：Steadily，smoothly，slightly，slowly，marginally，gradually，moderately，mildly

　　22.宣称：Allege, assert, declare, claim

　　23.发生：Happen, occur, take place

　　24.原因：Reason, factor, cause

　　25.发展：Development, advance, progress

　　26.有益的：Useful, helpful, beneficial, profitable, rewarding， advantageous

　　27.影响：Influence, impact, effect

　　28.明显的：Clear, obvious, evident, self-evident, manifest, apparent, crystal-clear

　　29.占：Comprise, take up, account for, constitute, consist of, make up, occupy, hold, compose

　　30.与…相比：Compared with，compared to，in comparison with，in comparison to，by comparison with，by comparison to

　　31.对比而言：By contrast，in contrast，on the other hand，on the contrary=，conversely

　　32.展示：Show, reveal, illustrate, demonstrate, depict, present, represent, describe

　　33.大约：Approximately，almost，about，around，nearly，roughly

　　34.波动：Fluctuate，go ups and downs，display a fluctuation，demonstrate a fluctuation

　　35.事实上：Practically，in practice，essentially，in essence，in reality，in effect，in fact，as a matter of fact，it is a fact that

　　36.换言之：Namely，that is to say，in other words，to put it like this，to put it differently，to put it from another way，to put it from another angle.