So, you have to feed the slave all year round to work only a small part of the time, that's not very profitable.

你不得不整年的喂养奴隶,而他们只有少量时间在工作,这是很不划算的

耶鲁公开课 - 古希腊历史简介课程节选

Do you have a part-time job?

你干兼职工作吗？

在研究所工作 - SpeakingMax英语口语达人

Second, since we watch films, we don't have a great deal of time for leturing on my part, discussion by you, or the presentations, we'll be talking about its possibilities.

其次，由于我们要看电影，我们就没那么多时间,让我来讲评，让大家来讨论，或者做演讲，我们之后再讨论这些的可能性吧。

麻省理工公开课 - 电影哲学课程节选

We have a lot of potential that over time with we fix stone of voices with being part of our culture that very often these limitations are put on top of us just like the excess stone.

但是渐渐地受到外部文化压力,像多余石料一样，把我们禁锢起来了。

哈佛公开课 - 幸福课课程节选