Now, for those of you who took Economics 115 or equivalent, what is the name of this line I've just drawn?
我来问一下学过经济学115的同学,这条曲线叫什么名字
asked me a question about wine and I had to tell the whole class.
他问了我一个关于葡萄酒的问题,我得在全班同学面前回答。
Here I'm tying to the engineering-- Is anyone here from engineering?
我想问下,这儿有工程专业的同学吗
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