1.缺陷：Disadvantage, demerit, drawback, downside, weakness
2.使迷惑：Puzzle, bewilder, perplex, baffle
3.重要的：Key, crucial, critical, important, significant, vital, substantial, indispensable, imperative
4.认为：Think, believe, insist, maintain, assert, conclude, deem, hold, argue, be convinced, be firmly convinced, be fully convinced
5.因此：So, therefore, thus, hence, consequently, as a consequence, accordingly, as a result, because of this, as a result of this
6.增长至：Grow to，rise to，increase to，go up to，climb to，ascend to，jump to，shoot to
7.解决：Solve, deal with, cope with, handle, resolve, address, tackle
8.损害：Damage, hurt, injure, harm, impair, undermine, jeopardize
9.给与：Give, offer, render, impart, provide,supply, afford
10.培养：：Develop, cultivate, foster
11.优势：Advantage, merit, virtue, benefit, upside, strength
12.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
13.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
14.对比而言：By contrast，in contrast，on the other hand，on the contrary=，conversely
15.展示：Show, reveal, illustrate, demonstrate, depict, present, represent, describe
16.大约：Approximately，almost，about，around，nearly，roughly
17.波动：Fluctuate，go ups and downs，display a fluctuation，demonstrate a fluctuation
18.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
19.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
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.保护：Protect, conserve, preserve
26.确保：Assure, ensure, guarantee, pledge
27.有害的：Bad, baneful evil, harmful, detrimental
28.要求 ：Request, demand, needs, requisition
29.消除 ：Eliminate, clear, remove, clear up, take away, smooth away
30.导致：Lead to, bring about, result in, cause, spark off, conduce to, procure, induce, generate
31.发展：Development, advance, progress
32.有益的：Useful, helpful, beneficial, profitable, rewarding，advantageous
33.影响：Influence, impact, effect
34.明显的：Clear, obvious, evident, self-evident, manifest, apparent, crystal-clear
35.占：Comprise, take up, account for, constitute, consist of, make up, occupy, hold, compose
36.与…相比：Compared with，compared to，in comparison with，in comparison to，by comparison with，by comparison to