He uses math,physics and statistics to study climate change patterns.

VOA: special.2009.10.02

I don't really have the opportunities to study math and science, which, to some degree, I think is regrettable

我没什么机会继续学习数学和科学。我有时觉得有些很遗憾，

文学是灵魂的方式 - SpeakingMax英语口语达人

You can study math, you can study gym, you can study social sciences.

你可以选数学、体育或社会科学。

I like课堂 - SpeakingMax英语口语达人