The custom in different countries are rather different. If I have dinner with a Chinese host，he always puts more food onto my plates as soon as I have emptied it. That often discomforts me greatly. I have to eat the food even if I dorTt want to，because it is considered bad manners in the West to leave one’s food on the plate.

 I have already noticed that when a Chinese sits at an American’s dinner party，he very often refuses the offer of food or drink though he is in fact still hungry or thirsty. This might be good manners in China，but it is not in the West at all. In the United states，it is impolite to keep asking someone again and again or insist on his accepting something. They will ask for it. If not，they will say，“No，thanks，” When an American is fed up with beer by the host. For example，he might say，“No，thanks，I will take some diet，Pepsy-cola if you have it. That is what an American will do. So when you go to the United States，you had better remember the famous saying： When in Rome，do as the Romans do.

 From the passage，we can know that the Chinese are usually().