因此，公共场所禁止吸烟是很多国家的一项严厉规定。

Therefore, no smoking in public is a strict regulation in many countries.

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针对抵押贷款的严厉规定，又使沉重得难以支付的家庭债务更难削减。

Tough rules on mortgages have made it hard to reduce unpayable household debt.

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曾经在公众面前努力戒烟的奥巴马说，尽管在本周签署了一项可能会给烟草工业设置新的严厉规定的法案，他仍然没有完全戒掉这个习惯。

Obama, who has publicly struggled to quit smoking, said he still hasn't completely kicked the habit even after signing a law this week that will likely set tough new rules for the tobacco industry.

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