Our love affair with the Internet ends up emitting 2 percent of global carbon dioxide-roughly the same amount as air travel.

全球二氧化碳的排放中有2%是由于使用和我们息息相关的互联网所致，其排放量大致相当于航空旅行所导致的二氧化碳排放量。

youdao

I'm an organic chemist, so I love carbon, it's one of my favorite atoms to talk about, but it would be nice to get to the point of bonding and even reactions to talk about all the exciting things we can think about once we're at that point.

我是个有机化学家，我喜欢碳原子，这是我最喜欢谈论的原子之一，但我更喜欢讲成键,甚至化学反应的概念,一旦到了这之后,我们就可以考虑各种激动人心的事情。

麻省理工公开课 - 化学原理课程节选