笔记
在同从与定从间的区别
同从通常跟在抽象名词之后，定从跟在抽象或具体名词之后
eg:
1.We have english classes where students can learn english.
2.Beginners often have the cases where they can not use the word correctly.

希望能进行说明，通俗易懂，最好造几个句子分析一下 百度过，但是没看懂