Substitutability
[计] 可代换性, 可置换性
🗣️ 情景例句
I like to listen to the music and to play piano and occasionally to go swimming.
我喜欢听音乐、弹钢琴，有时候去游泳。
Yes, but I'd rather not have done it.
是的，但我宁可没有这样做。
The teacher tested us in English.
老师用英文考我们。