South Korea and the United States have announced they will conduct a joint anti-submarine exercise, widely expected to take place within a matter of weeks.

VOA: standard.2010.05.27

It's good review exercise for some of you who have taken 115 or are about to take 150 or are there now.

对于学过115或者想要学习150的同学,这是一个不错的复习案例

耶鲁公开课 - 博弈论课程节选

5% of adults and half of all children do not take the recommended amount of exercise."

5%的成人,和一半的儿童都达不到推荐的锻炼量"

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Just to amuse yourself, not for any kind of punitive think-about-the-exam exercise, but it would be fun to take these categories and think about these other countries, particularly those who were absolute states, other large important states in Europe and see to what extent you have these factors there.

我们可以做件有趣的事,纯粹为了娱乐,不是为了考试练习,即用同样的方法分析其他国家,特别是那些绝对主义国家,以及其他重要的欧洲大国,看看这些因素对政治结局的影响程度

耶鲁公开课 - 欧洲文明课程节选