The patient has been in remission for the past six months.

在过去的六个月中，病人的病情已经有所缓解。

《牛津词典》

The facility has sprung up from nothing in the past 18 months.

该工厂设施是过去18个月从无到有建起来的。

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Yang Ting, 24, has been wearing non-prescription lenses 12 hours a day for the past six months.

杨婷，24岁，在过去的六个月里每天佩戴非处方美瞳约12个小时。

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It has been in the news over the past months during a disputed takeover negotiation with the American company Kraft Foods.

VOA: special.2010.02.17

We did have a large,short position in subprime mortgage-backed securities, which has paid off enormously for the University and really helped protect assets in the past nine months or a year.

我们确实曾持有很多,次级抵押担保证券的空头,它们为耶鲁赚了不少钱,并且在过去的9个月或1年间,为资产保值发挥了实在的作用

耶鲁公开课 - 金融市场课程节选

I think for the past three months, I've only had five or six hours of sleep at night.

我觉得在过去三个月里，每晚我就睡5到6个小时。

I need 实战 - SpeakingMax英语口语达人

But now that we are 23 months past the recession, when can we expect to see businesses hiring again?

FORBES: Why Unemployment Lags Behind GDP Growth

Borrowers selected for the program must be at least two months past due on their mortgage and face considerable risk of foreclosure.

WSJ: Alternative to Foreclosure Tested

For months past Mr Lavin has spent heavily on radio advertising.

ECONOMIST: Chile