Substitutability
[计] 可代换性, 可置换性
🗣️ 情景例句
Good afternoon. Make yourself at home.
下午好。请随便些。
I wonder if it is possible to arrange shopping for us.
我想能否在我们访问结束时为我们安排一点时间购物。
(Two weeks later. The woman arrives at the farmer's house.)
（两周后，妇女来到农民的家。）