Blackbox
n. 黑箱
🗣️ 情景例句
We're having a good time, and they're in good hands.
我们玩得痛快，他们也得到很好的照顾。
It is better to do well than to say well.
理论好不如实际好。
We have a showroom in this city.
我们在本市设有一个展示中心。