Valid function
[计] 有效函数, 有效操作
🧩 词语组成解析
🗣️ 情景例句
I know you don't understand but you will just have to accept my opinion this time.
我知道，你或许不能理解，但这次你必须接受我的意见。
I've studied the reports of past meetings.
我学习了以往的会议记录。
Miss Yang works in the school library.
杨小姐在学校图书馆工作。