短语讲解：

1. A separate opinion survey of U.S. workers by the company Gallup shows many more companies say they are hiring than are worrying about layoffs.

worry about 担忧， 烦恼; 惦念
例句：Don't worry about him; he is a cheerful and elastic man.
别为他担心;他是个快活开朗的人。

2. Foreclosures take place when banks reclaim homes because their owners cannot pay their loans.

take place 发生
例句：Earthquakes take place far underground.
地震则发生在地球的极深处。

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