He remembered some talk about his mother having been injured several days before he had been born.

他想起了一些话，说他母亲在他出生前几天受了伤。

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Ads had been placed in the local newspapers several days before.

几天前就已经在当地报纸上登了广告。

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Several days before the Spring Festival, Wuhan was locked and the city became quiet.

春节前几天，武汉被封城了，整座城市都寂静下来。

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It may be several days before jurors get another look at Jackson's softer side.

NPR: Jackson's Private Life On Display In Civil Trial

And then he warned about the Halloween snow storm several days before anyone else.

FORBES: How A Facebook Page Prepared A Region For Hurricane Sandy, And What That Teaches About Social Media

The bomb-makers had vanished from the sites several days before the army showed up.

ECONOMIST: Pakistan arrests those who helped get Osama bin Laden