Practically unheard of a generation ago, the discounts have become a routine part of many businesses—as common as color televisions in motel rooms and free coffee on airliners.

上一代人几乎闻所未闻的打折已经成为许多企业的惯用手段——就像汽车旅馆房间里的彩电和航班上的免费咖啡一样普遍。

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Without water as a routine part of our intake, we cannot digest or absorb food.

没有水来作为我们日常的摄入部分，我们就不能消化和吸收食物。

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According to ACOG, flu vaccination should be a routine part of prenatal care, and the ideal time to vaccinate pregnant women is October and November.

据美国妇产科学会称，流感疫苗应作为常规产前保健的一部分，而且为孕妇注射疫苗的最佳时间是10月和11月。

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It is a routine part of this exercise that nominees are asked about their views on various issues.

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,

Votes of confidence are not a routine part of the rough and tumble in the lives of local government folk.

BBC: Cornwall Council confidence vote in Alec Robertson

Such deliberate scorchings are a routine part of forest management, but foresters use them sparingly, for fear of losing control.

ECONOMIST: Computer models may soon help to predict forest fires