And so some days I don't, I'll only have 1 or 2 classes.

所以有时候，我一天只有1或2节课。

很好奇住宿生活 - SpeakingMax英语口语达人

And then further you put some recording device, which in those days was a photographic plate, far across a room. So you take a tiny, tiny angle and you go far enough across the room.

接着放一些记录设备，那时用的是一个摄影用的感光片，取一个极小极小的角度,然后去到房间中足够远的地方。

麻省理工公开课 - 固态化学导论课程节选

So, these are some of the controversies that arise these days from cost-benefit analysis, especially those that involve placing a dollar value on everything to be added up.

以上即为近来对成本效益分析,引发的一些争论，尤其是其中那些,认为可以用金钱衡量一切的观点。

耶鲁公开课 - 公正课程节选