language didactics的用法和樣例：
例句
- What he has used is a up-to-date method of language teaching.
他使用的是一種最新的語言教學法。 - The teaching approaches of "teacher-centeredness" and "student-centeredness" have their rationalities in foreign language teaching, but both of them have their obvious limitations.
摘要以教師為中心和以學生為中心的教學法在外語教學中既具有合理性，也有著明顯的局限性。
