1. 重要的：important, key, crucial, critical, significant, vital, substantial, indispensable, imperative
2. 解决：solve, deal with, cope with, handle, resolve, address, tackle
3. 损害：damage, hurt, injure, harm, impair, undermine, jeopardize
4. 给予：give, offer, render, impart, provide, supply, afford
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. 培养：develop, cultivate, foster
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, harmful, evil, detrimental, baneful
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, remain stable, remain still, remain steady, maintain the same level, remain unchanged, stay constant, level off, keep its stability
20. 急剧地：dramatically, drastically, sharply, hugely, enormously, steeply, substantially, considerably, significantly, markedly, surprisingly, strikingly, radically, remarkably, vastly, noticeably
21. 宣称：allege, assert, declare, claim
22. 发生：happen, occur, take place
23. 原因：reason, factor, cause
24. 发展：development, advance, progress
25. 有益的：useful, helpful, beneficial, profitable, rewarding, advantageous,
26. 影响：influence, impact, effect
27. 明显的：clear, obvious, evident, self-evident, manifest, apparent, crystal-clear
28. 占：comprise, take up, account for, constitute, consist of, make up, occupy, hold, compose
29. 对比而言：by contrast, on the other hand, on the contrary, conversely,
30. 展示：show, reveal, illustrate, demonstrate, depict, present, represent, describe
31. 大约：approximately, almost, about, around, nearly, roughly
32. 事实上：practically, in practice, essentially, in essence, in reality, in effect, in fact, as a matter of fact
33. 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 angle