Monendomorphism
单一自同态
🗣️ 情景例句
We are very pleased with our presend arrangements for printing and definitely will not be considering any other services in the foreseeable future.
在今后的一段时间内我们不会考虑其他的服务提供者。
What does you want to eat?
你要吃什么？
It's really nice of you. Thank you very much. said the man.
“你们真好。非常感谢你们”，那人说。