别这么为难自己。
为何还要如此努力去争取?
每个人都有倒霉的日子?
He speaks in a language of math and it is very important for students to be able to have hot copies so that they can take notes on the paper rather than be working very hard to copy down the equations that he used in these lectures.
他以数学语言授课,所以发给学生教学材料,是非常重要的,这样就可在纸上做笔记,而不用拼命,抄下他在课上,用到的等式。
And if they're a premade salad then it would be even more difficult because you're not constructing it yourself, so it's hard to uses based on these sort of things.
如果那是预制色拉,就更麻烦了,因为那不是你做的,就很难进行统计
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