what's up 禮貌嗎？
最佳答案
Is it polite to say 'What's up'?
The expression 'What's up' can be considered informal, but it's usually not regarded as impolite. It serves as a casual greeting.
what's up 禮貌嗎？
The expression 'What's up' can be considered informal, but it's usually not regarded as impolite. It serves as a casual greeting.