10.有益的：beneficial

conducive, instrumental

11.有害的：detrimental

harmful, virulent

12.有争议的：controversial

disputable, contentious

13.普遍的：widespread

prevalent, universal

14.显著地：considerably

significantly, remarkably, dramatically, tremendously, substantially

15.明显的：evident

apparent, manifest

16.增强：enhance

strengthen, boost

17.减少：decline

descend, collapse, relieve

18.大约：approximately

nearly, around, estimated,roughly

19.趋势：trend

tendency, inclination

20.预见：predict

expect, project