Dietitians and health experts say it's important to learn from the world's healthiest countries, if we want to lose weight, fight disease and enjoy a healthier life.

VOA: standard.2010.02.23

And part of it is we want you to learn how to have a catalog, if you like, of different classes of algorithms, so that when you get a problem, you try and map it into an appropriate class, and use the leverage, if you like, of that class of algorithms.

另外我希望你们能学会,如何制作一个关于，算法不同课程的目录，这样当你碰到问题的时候，你可以去找到合适的课程，然后在那门课程中，寻找解决方法。

麻省理工公开课 - 计算机科学及编程导论课程节选

If we learn from these experiences in ourselves, the question is no longer whether or not it's possible to experience it more and more in our lives.

如果我们自己吸取这些经验，那么问题就不再是，是否有可能,越来越多地体验它。

哈佛公开课 - 幸福课课程节选