请回"by 1930"怎么译呀?

请回by 1930怎么译呀? 英语翻译请用“by” In many acquisitions of one corporation by another,.这怎么翻,特别请说说这里one.by another? by 后面应该加什么?为什么有时加的是名词,如：by bus,有时是by + doing?有什么区别?怎么区分呢?请 by subway 做地铁的英语怎么读啊!请大师帮帮忙 by英语怎么读 by subway怎么读 by taxi怎么读 by 怎么造句? go by 怎么造句 blow by 怎么翻译 divided by怎么读 by next 怎么用 how do you keep in touch with tim,By airmail or by phone?怎么译? by the time it had been taken over by Oxford University这句话怎么翻译呀? by and by怎么翻译啊? directed byproduced by story by by 怎么用呢 请帮我译一下这句话 you never lose by loving,you always lose by holding back.