Words must be done, eloquence is like timely rain. No matter whether the argument stands on the main foot or not, you should have the corresponding knowledge and analyze the other person's mind. Simply put, this is a comprehensive academic problem. You can watch more videos and feel why people said that sentence at that time, which is quite interesting. Language ability, then you can read professional books. It is not necessarily a good way to exercise to post more posts on the Internet. For example, Baidu knows that when you reply to a post, when you can be selected as the best answer, you start.