如果你们要知道矩阵所有的秘密，就以后选18。06课程吧。
If you want to know everything about the secret life of matrices, then you should take 18.06 someday.
其刀法中最重要的是身法步法，为此程冲斗在《单刀法选》中编写了套路；
The footwork and bodywork are the most important contents in his skill, so the author writes a whole exercise for them.
程立下学期不打算选十九世纪英国文学，因为阅读量太大。
Chengli isn't going to take the courses of the literature of the 19th century, because of the great quantity of reading.
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