请问这几句英语,中文怎么说呢?
The letter-writer wants to know how to cook western food.This is the first time that the letter-writer visits America.According to Diana,when people are invited to dinner,they should arrive at least ten minutes early.Diana tells the letter-writer that people should leave the napkin on the table while eating.Diana says that if people are invited to dinner,they should thank their host or hostess twice.