去年那1540万个工作日由于工作相关的压力全损失了，减少了近四分之一。

All that 15.4 million working days were lost to work related stress last year, a jump of nearly a quarter.

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即使有朝一日证明可以制造出在全波段都完全隐形的飞机，还会有一个更深一步的问题。

Even if it ultimately proved possible to make an aeroplane completely invisible at all wavelengths, there would be a further problem.

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但是2010年的风头则全让上海占了，为了一直持续到10月31日的世博会，城市得到了大规模的更新和装扮。

But the zeitgeist of 2010 has been all about Shanghai, all decked out and refurbished for the World Expo, which runs through Oct. 31.

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Keep in mind this is a professional degree and executive education model that is intended to be designed for people who are themselves working full time and still taking classes full time.

请记住这是一个职业学位,高级管理人员教育模式,就是为那些,全职工作的人员设计的,同时上全制日课程。

哈佛公开课 - 幸福课课程节选