德国工作时间短，为何却很成功?
<p><span word="Why">Why</span> <span word="Is">Is</span> <span word="Germany">Germany</span> <span word="So">So</span> <span word="Successful">Successful</span> <span word="in">in</span> <span word="Spite">Spite</span> <span word="of">of</span> <span word="Least">Least</span> <span word="Working">Working</span> <span word="Hours">Hours</span>?</p><p>德国人工作时间那么短，为什么还能这么成功?</p><p>各国的平均年工时：</p>
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