每日商务英语 第408期:突然出现

to crop up 突然出现（非正式）

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英文释义

(INFORMAL) To occur suddenly and unexpectedly. (Note: often describing the appearance of problems).

例句

My new house looked fine until it started raining yesterday and a dozen leaks in its roof cropped up.

我的新房子看上去一直挺好，直到昨天开始下雨，屋顶突然出现了十几道裂缝。