Time was when authors could make money from sidelines such as public speaking; Mark Twain pulled himself out of bankruptcy by going on the lecture circuit.

曾经有一段时间，作家们可以通过演讲之类的兼职赚钱；马克·吐温(Mark Twain)就是通过巡回演讲使自己从破产的困境中解脱出来。

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It turns out, however, that there are 365.24219 days in an astronomical "tropical" year-defined as the time it takes the sun, as seen from Earth, to make one complete circuit of the sky.

尽管这样，实际上在天文上一回归年中有365.24219天——一回归年指的是由地球上观察，太阳在天空运行一整个圆周所用的时长。

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These images are only renderings for the time being, but expect Hublot to roll out a lot more news about their La Clé Du Temps Watch at the trade circuit this year.

这些图片是暂时的效果图，希望恒宝在本年度交易周期内推出“时光之钥”的更多信息。

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Now based in Colorado, O'Donnell has taken time out of her medical career to compete on the Pro-cycling circuit.

CNN: STORY HIGHLIGHTS

After an initial lay-off, she was forced off the circuit for a second time after being knocked out of the French Open in the second round.

BBC: SPORT | Tennis | Henin-Hardenne beaten on comeback

Thursday's rain-hit session at the Catalunya circuit saw Australia's Mark Webber record the fastest time after conditions dried out in the afternoon.

CNN: STORY HIGHLIGHTS