Doing all this is a hard job, which may explain why no scholars have done it.

这是项艰难的工作，因而尚无学者做过这项研究。

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Whenever an airplane crashes, investigators focus on the black-box data, which may explain why the plane went down.

每当飞机失事，调查人员都会将注意力集中在黑匣子数据上，它也许能解释飞机坠毁的原因。

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Women and men seem to differ in workplace and career aspirations, which may explain why salary expectations differ.

女性和男性似乎在工作场所和职业理想上的考虑有所不同，这或许解释了他们期望的薪水为什么不同。

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Which may explain why the europhiles have picked such apparently unfavourable ground upon which to turn and fight.

BBC: Euro puzzle on investment

The large advertisers stayed more conservative, however, which may explain why the internet-advertising market is still disproportionately small.

ECONOMIST: Internet advertising

Garcia told the Houston Chronicle that Claunch liked to "doodle, " which may explain why he was holding a pen.

CNN: STORY HIGHLIGHTS