Then you need, as well--you need government regulation because the insurance companies don't seem to exist without it.

此外,还需要有政府制定的相关法规,因为没有相关法规保险公司就不会存在

耶鲁公开课 - 金融市场课程节选

Three years from now, that is after the next president has had time to enact this program and the program has had some time to begin taking effect will the number of illegal immigrants in the United States be higher, lower or about the same? Ken Judd.

年后，这期间，下届总统有可能制定相关法案,而该法案刚好也已经生效,美国境内的非法移民,是增多，减少还是持平？，肯·贾德你先来。

斯坦福公开课 - 经济学课程节选