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，/> 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