对比而言
By contrast，in contrast，on the other hand，on the contrary，conversely
展示
Show, reveal, illustrate, demonstrate, depict, present, represent, describe
大约
Approximately, almost, about, around, nearly, roughly
平稳地
Steadily, smoothly, slightly, slowly, marginally, gradually, moderately, mildly
宣称
Allege, assert, declare, claim
发生
Happen, occur, take place
原因
Reason, factor, cause
发展
Development, advance, progress
有益的
Useful, helpful, beneficial, profitable, rewarding, advantageous
影响
Influence, impact, effect
明显的
Clear, obvious, evident, self-evident, manifest, apparent, crystal-clear
占
Comprise, take up, account for, constitute, consist of, make up, occupy, hold, compose
与…相比
Compared with，compared to，in comparison with，in comparison to，by comparison with，by comparison to
波动
Fluctuate, go ups and downs, display a fluctuation, demonstrate a fluctuation
