Offical
官员,公务上的,有权威的,下式的
🗣️ 情景例句
Get it?
明白吗？
Don't throw out your dirty water before you get in fresh.
清水未打来，赃水莫倒掉。
And now medical care helps to keep people alive longer.
现在的医疗保健使得人们活得更长。