I mean I'm not going to try to trick you or throw in things just to make sure you come to class, but it's usually a pretty good policy.

我不是和你们耍手段,也不是为让你们来上课而随便说说,但这通常是个好方法

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Firms that do that are, in practice, however, the minority and most mutual funds have some gimmick or some special-- they claim to be beating the market not forming the optimal portfolio.

然而实际上,这么做的公司很少,大部分共同基金都会耍些花招,或有一些特别的...,他们强调他们的收益率将强于市场平均水平,而非建立最佳投资组合

耶鲁公开课 - 金融市场课程节选