"I'm proud to do it and I feel like I'm doing something good,".

VOA: standard.2009.12.16

It's very simple. It's this: if I know what I'm doing, it is almost inevitably the case that you would know also.

实际上十分简单：,如果我知道我创作的是什么，那么你很可能也知道我创作的内涵。

普林斯顿公开课 - 人性课程节选

So it's kind of I'm doing work, but I'm just trying to... mix it up a bit

所以我还是在工作，只不过我想尝试换换环境，

正在写论文 - SpeakingMax英语口语达人

I'm definitely doing it for, I mean, I'm doing it, of course, for myself because I enjoy doing it.

NPR: Queen Latifah on 'Trav'lin' Light'

I'm not only doing this for myself, I'm doing it for my country.

CNN: Palestinian women change motor racing up a gear

"I still don't understand it even though I'm doing it, " she said.

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