Even if they make a little restaurant or little tour agency,nobody comes because it is all-included, people already paid everything so it is no use for them to go outside for a dinner or lunch or whatever,".

VOA: standard.2009.06.04

This is very important,which is why I am doing it: "If we want to know how fast a human being can run, then it is no use to average out the speed of a "good sample" of the population; it is far better to collect Olympic gold medal winners and see how well they can do.

这话非常重要，是我作这个研究的原因：,“如果想知道人类最快能跑多快，那从好的样本中测出平均数是“,没用的;,而应该收集田径类奥运冠军的信息,看他们能跑多快。

哈佛公开课 - 幸福课课程节选

When this happens,he said, money is withdrawn from the people's use and kept in the public treasury, where it does no good.

VOA: special.2010.05.20