Now the intervention studies are stronger methods than the epidemiology studies but they're also more difficult studies to do.

相比传染病学研究,干预性研究更有效,但也更难执行

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We could certainly implement this much more efficiently by just writing this one line of code, but, again, the key here is to take this step toward decomposing our code into chunks of code.

我们可以写这一行代码,使代码的执行更有效率，但是，这个关键字用来把我们的代码分解,成一段段的。

哈佛公开课 - 计算机科学课程节选

Then of course, there's the other problem that the insurance company-- how does the insurance company reasonably specify that it can come through on this policy?

之后，对保险公司来说,当然还存在其它问题-,保险公司怎样才能使一份保单上,载明的内容合理而有效被执行呢？

耶鲁公开课 - 金融市场课程节选

So the Bank of England effectively enforced that the banks in England kept adequate reserves and they would see some of these reserves in the deposits at the Bank of England.

所以，英格兰银行有效率地强制执行了,这种制度-英国的银行保有足够的准备金,并且他们将在向英格兰银行付的保证金里,看到准备金其中的一部分。

耶鲁公开课 - 金融市场课程节选