Derivativeness
可微商性, 可微商情况
🗣️ 情景例句
What line of work are you in?
你做哪一行的？
It matters not how long we live but how.
问题不是活得多么长，而是活得怎么样。
Mrs.Ramsay was instructed to place the money in a cardboard box and to leave it outside her door.
他让拉姆齐太太把钱放在一个纸盒里，然后将纸盒放在门口。