Bibo
有界输入有界输出（bounded-input bounded-output）
🗣️ 情景例句
At least you've got a roof over your head.
至少你现在有电瓦遮头。
Failure is the mother of success.
失败是成功之母。
while others rub their hands over his skin to the accompaniment of a monotonous and soothing chant.
其他人唱着单调的歌声用手抚摸象的皮肤。