By the time you get there the meeting will be over.

　　等你到了那里的時(shí)候，會(huì)議就該結(jié)束了。

　　Day care is provided by the company she works for.

　　她工作的那家公司有日托。

　　A new era was brought into being by the war.

　　那場(chǎng)戰(zhàn)爭(zhēng)使得一個(gè)新的時(shí)代產(chǎn)生了。

　　All the statistical computations were performed by the new software system.

　　所有的統(tǒng)計(jì)計(jì)算均由新的軟件系統(tǒng)完成。

　　By the age of 21 he controlled the company.

　　他21歲就掌管了公司。