The second subexpression, (\s), just means "match any whitespace character and let us refer back to what was matched.
第二个子表达式 (\s)只表示“查找与任何空格字符匹配的字符串，让我们回过来看什么与之匹配”。
'Let' s not talk about that now, 'Wallis replied.' you must go back to your family. '.
“现在我们还是不要谈这些，”沃利斯回答，“你必须回到你的家庭里。”
S. and parts of Europe, we let housing bubbles get out of control. That came back to haunt us big-time.
最糟糕的是在美国及欧洲部分地区，我们使得房产泡沫失控，随后这便成了一直困扰我们的麻烦。
S. and parts of Europe, we let housing bubbles get out of control. That came back to haunt us big-time.
最糟糕的是在美国及欧洲部分地区，我们使得房产泡沫失控，随后这便成了一直困扰我们的麻烦。
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