Pernutation
[计] 置换
🗣️ 情景例句
Just because the other kids have motor scooters is no reason for you to stop riding your bike to school.
只是因为其他的孩子都有电单车上学，不足以成为你不骑车上学的理由。
I'm thinking about my lesson.
我正在考虑课程。
The Australian seasons are the opposite.
澳大利亚的季节正好相反。