So, we have this security and a ten-year bond would have twenty coupons attached, each with a date on them.

我们持有这样的证券，是十年期的债券,并附有二十张息票，每一个都有日期在上面。

耶鲁公开课 - 金融市场课程节选

Or perhaps, you could be trying to explain that you don't know whether you can do something or not by a certain date.

又或者，你正在试图解释你没法确定你是否能在一个指定日期前做完某件事。

I don't know 课堂 - SpeakingMax英语口语达人

What I plot on this graph here is as a function time, years, dates, life expectancy as a function of time.

在这儿的这张图是,一个关于时间,年,日期的函数,将寿命长短作为时间的函数

耶鲁公开课 - 生物医学工程探索课程节选

Because one of our clients asked us to finish our project before the deadline.

因为有一个客户要求在项目截止日期之前提前完工。

The thing is 实战 - SpeakingMax英语口语达人