40 hours is a fairly average working week for most people.

对大多数人来说，一周工作40小时是相当正常的。

《牛津词典》

Doctors work an average of 90 hours a week, while a few are on call for up to 120 hours.

医生们平均每周工作90个小时，而有些出诊长达120个小时。

《柯林斯英汉双解大词典》

Involvement in sports, in particular, rose almost 50% from 1981 to 1997: boys now spend an average of four hours a week playing sports; girls log half that time.

特别体育运动参与率从1981年到1997年上升了近50%：男孩们现在平均每周花四个小时做运动；而女生则只花一半的时间。

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Americans spend the most time out of any other people in the world volunteering in average four hours a week, volunteering outside their job which may also have a social objective more than any other people in the world.

比其他任何人所花的时间都多,平均每周有四个小时做志愿者的工作，做与自身工作无关的善事,他们比世界上其他人更具社会目标。

哈佛公开课 - 幸福课课程节选

European Commission figures for 2008-10 show that Britons work the longest hours in Europe, clocking up an average of 42 hours a week.

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The average Roku owner now streams 12 hours of television per week, compared to 35 hours of overall average TV watching.

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Employment law states workers can work more than 48 hours in one week, as long as the average over 17 weeks is less than 48 hours per week.

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