Bibo
有界输入有界输出（bounded-input bounded-output）
🗣️ 情景例句
Don't count your chickens before they hatch.
心急吃不了热豆腐。
Better safe than sorry.
小心不出大错。
I didn't know he was the richest person in the world.
我不知道他是世界上最有钱的人。