Idempotence
n. [数]幂等性
🗣️ 情景例句
The title ...
名字……
Before I eat dinner,I read the newspaper for a while.
在我吃晚饭以前，我花一会儿读报纸。
How are you getting to the airport? Is anybody seeing you off?
你打算怎样去机场？有人送你吗？