and your only job during this tasks is to press the button when that target comes on before it leaves the screen.

而你在这些任务中唯一要做的事,就是在目标出现未消失前按下按钮。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

So that leaves each carbon with only one hybrid orbital left.

这样每个碳原子只剩下一个杂化轨道。

麻省理工公开课 - 化学原理课程节选

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