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

What's variable about them is that they bind to a specific antigen.

它们可变的原因是,它们需要结合不同的抗原

耶鲁公开课 - 生物医学工程探索课程节选

There's something called "variable life," which refers to a life insurance policy where the policyholder can make decisions about the investment of the money in the whole life policy.

有种保单叫做"可变寿险",作为终身寿险的一种,投保人可以自主选择,在终身寿险上进行多少投资

耶鲁公开课 - 金融市场课程节选

The parts at the end of the Y's are variable.

形的末端部分是可变的

耶鲁公开课 - 生物医学工程探索课程节选