了解, 明白, and 知道 seem to be fairly synonymous in Mandarin, but there does seem to be some subtle differences between them. What exactly is the difference? When should I use each one? Could you give me ...
I've noticed in China that people don't tend to use as many 'polite' words as we do in western languages, like 'please' or 'thank you'. I want to make it clear that I'm not complaining about this; I ...