The best way to learn English well is by watching English language movies.

问题描述:

The best way to learn English well is by watching English language movies.
这个句子有没有语法错误啊?书上有这个句式啊,但是觉得很怪啊;去掉by之后呢?有没有错误?
真的搞不懂啊

The best way to learn English well is by watching English language movies.
翻译:学好英语最好的方法就是看英语电影.
此句无语法错误,
去掉by没有错误,也是可以的.by强调通过这个方式.