The mayor hopes to make London one of the greatest cycling cities in the world, even so,riding a bike through the capital has its challenges.

VOA: standard.2010.07.30

It's basically cycling through the loop a multiplying by a each time.

这个代码就是简单的循环,每次乘一个。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well again, maybe what we need to do is not so much just imagine the same cycling going through week after week after week, but whole careers.

但也许我们不需要,想象周而复始的循环,而是整个事业。

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