But a lot of people find different things that they're really passionate about while they're in undergrad.

但是，许多同学依然能在这段时间里发现自己的兴趣所在。

MIT的时尚品味 - SpeakingMax英语口语达人

the reason being that's where Greenwich Mean Time is.

原因是那里就是格林威治的标准时间所在之处。

时间开始的地方 - SpeakingMax英语口语达人