中国近七分之一的地区一直处于重度雾霾之下。

Almost a seventh of China has been under heavy smog.

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他有七分之一的机会在七十八岁生日前患上肺癌。

He has a 1-in-7 chance of getting lung cancer by his 78th birthday.

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七分之一的女性说婚礼的巨额支出迫使她们延迟结婚计划。

One in seven women said they had been forced to postpone getting married because a wedding would be too expensive.

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