it does more good than harm为什么语法是对的?

it does more good than harm为什么语法是对的? Are cars doing more harm than good? 英文辩论材料Exam does more harm than good.(急急急!） However,this great event does more good than harm to us. 请帮忙写作文：Advertising does more good than harm to consumers. 英文辩论材料Exam does more harm than good.(急!） Going to bed late at night does more harm than good to your 英语翻译for it will do us more harm than good,so I support it.So if we solve the problem ( )it may do more harm than good to It is my belief that you do youself much more harm than good 求examnation do more harm than good 英文辩论论据! examnation do more harm than good 英文辩论稿