These things run for variable amounts of time because they take input, a list of size of some amount.

而这一段的执行时间是可变的,因为它们需要输入一个包含一些元素的列表。

哈佛公开课 - 计算机科学课程节选

The chip - around a square centimetre in size - would run on very little power.

BBC: Scientists develop 'nose-on-a-chip'

Unlike its parvenu neighbour, St Petersburg, Novgorod city is of manageable size, and tightly run.

ECONOMIST: Russia: An old-fashioned, modern look | The

Over the past few years many of the small-cap trading desks that made markets in Bulletin Board issues have been shut down or drastically reduced in size, including those run by Goldman Sachs (which bought Spear Leeds, the NYSE market specialist firm, in late 2000), Sherwood Securities and Fleet Securities.

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