所以我决定提高那些更实用的技能，比如说，数学。

So I took stock of my more practical skills, like math.

youdao

另外一些——比如说宇宙学——则对远离日常生活的一些事情做出假设，然后通过很高级的数学技巧加以抽象和理想化。

Others — cosmology, for example — make hypotheses that are more remote from everyday causes, and involve a high level of mathematical abstraction and idealization.

youdao

Because, for example, I was okay in the reading but for the math.

因为，比如说，我的阅读还行，但是数学，

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