One way of investigating this is-- to get around the selection bias-- is to try to look at all countries.

为了避免选择性偏差,研究方法之一是,研究所有的国家

耶鲁公开课 - 金融市场课程节选

And this was just a formal way of describing the best case running time and in the case of Selection Sort, what was the best case running time?

这是描述最好情况下运行时间的,一种正式的方式,在选择排序中，最理想的运行时间是多少呢？

哈佛公开课 - 计算机科学课程节选

Now let's go on here to listen to some music of Rossini-- composer Gioachino Rossini-- coming after Mozart, and he likes chord progressions too, so we're going to listen to a passage of Rossini and see what he does by way of his chord selection.

我们继续，在莫扎特之后我们要听的音乐来自罗西尼-,作曲家焦阿基诺，罗西尼，他也很喜欢用和弦进行，我们来听一下罗西尼的片段，看看他是怎样选择和弦的。

耶鲁公开课 - 聆听音乐课程节选