Over the past year, the company has joined the big league.

　　去年一年中，公司已躋身一流之列。

　　The two firms joined forces to win the contract.

　　兩家公司聯(lián)合起來爭(zhēng)取合同。

　　She joined the company three months ago.

　　她三個(gè)月前進(jìn)了這家公司。

　　So you didn't get a job either? Join the club!

　　那么你也沒找到工作？咱們彼此彼此！

　　Members of the public joined the search for the missing boy.

　　許多民眾加入了搜尋失蹤男孩的行動(dòng)。