And it was based on a couple of things.

它基于这样几个原因

耶鲁公开课 - 生物医学工程探索课程节选

They trust to the fact that the depositors won't all come on the same day, just like a goldsmith banker -he leaves only enough gold in the safe to cover the kind of withdrawals that are normally accepted.

他们是基于这样一种考量,即储户们不会在同一天上门来取钱,正如金匠银行家那样,他留存在保险箱中的黄金数量,刚好可以应付一般的提款要求

耶鲁公开课 - 金融市场课程节选

So based on the experience we had with Harvard courses we give you version 3 of HarvardEvents.

基于这样的经验,我们在哈佛课程中提供了HarvardEvents的第三个版本。

哈佛公开课 - 计算机科学课程节选