plunge可以與哪些介詞搭配

　　例句：

　　1、Stock markets plunged at the news of the coup.

　　政變的消息一傳來，股票市場(chǎng)便暴跌。

　　2、He took the plunge into the deep end.

　　他跳入深水區(qū)。

　　3、Our income has plunged in the last few months.

　　我們的收入在最近幾個(gè)月中驟減。