✔ 最佳答案
Cantonese is a dialect of Chinese. People who live in southern china and Hong Kong speak cantonese. The majority of chinese restaurants are owned by Cantonese speakers, however the majority of China speaks mandarin. In reading, it's the difference between simplified and traditional chinese characters. Cantonese is traditional whereas mandarin is simplified.
Oh and I live in Shanghai China, my roommate is from Hong Kong and she speaks Cantonese.