害大于利理论theory: n. 1.理论,学理,原理。 2.学说,论说 (opp. ...more: adj. 〔many, much 的比较级;最高级是 m ...harm: n. 损害,伤害;危害。 no harm done 没有 ...than: He has no other friend ...good: adj. (better; best ) (opp. b ...下载手机词典可随时随地查词查翻译