A tip sheet for cycling in winter conditions: "While riding in winter, you of course need to be extra cautious when braking," an expert advises.

一个关在自行车在冬天的通报：“当你在冬天骑的时候刹车需要格外小心，”一个专家的建议。

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Shippers must pay extra insurance premiums, even if they ply a course far from Somalia's waters.

即便航行在远离索马里海域的航道上，船公司必须支付额外的保费。

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And of course, you do get extra message flows if messages are lost, as in that case they will have to be resent.

当然，如果消息丢失，也会有对应流程予以处理，比如在本例中是重发。

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So, don't forget to study this weekend and get those extra practice problems from the course website.

那么，这周末不要忘了复习,那些额外的习题可以在课程的网站上找到。

麻省理工公开课 - 化学原理课程节选

Now this does not mean that a person who doesn't have enough food, someone who is homeless on the streets here, gets an extra thousand or two thousand dollars a month-- that of course will make him or her much happier.

并不是说一个没有足够食物，一个无家可归，流落街头的人，每个月多有一两千美元-,那当然会让他或她更快乐。

哈佛公开课 - 幸福课课程节选

Shipping and handling extra, of course.

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Cable is eating up all the extra viewers, of course as long as you are not with Time Warner (TWC).

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For instance, implementing family plans would allow Netflix users to stream multiple shows to multiple devices in the home, for an extra fee, or course.

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