与其整晚啃书，不如先理清重点，再做几道题检查自己是否真的理解。
Instead of studying from books all night, it is better to clarify the key points first and then do a few exercises to check whether you really understand them.
Instead of studying from books all night, it is better to clarify the key points first and then do a few exercises to check whether you really understand them.