其实很简单，“自助餐”的英文就是：Buffet。
例句：
At lunchtime, there's a choice between the buffet or the set menu.
午饭时，可以选择自助餐或套餐。
We are going to have a buffet this night,
that's to say we can really pig out!
今晚我们要去吃自助餐，
这就意味着我们可以大吃特吃了！
Hot and cold food is available in the cafeteria.
自助餐厅有冷热食物供应。
很简单，
“中餐厅”：Chinese restaurant
“西餐厅”：Western restaurant
“中国菜”：Chinese food
例句：
He's quite gone on Chinese food.
他爱上了中国菜。
Would you tell me where the Chinese restaurant is?
您能告诉我这里的中餐馆在哪里吗？
Which one is your favorite,
western food, Japanese, Thai or Italian?
你最爱吃什么菜呀？
西餐、日料、泰餐还是意大利风味？
“快餐”用英语怎么说？
“快餐”的英文是：Fast food。
例句：
James works at a fast food restaurant.
詹姆斯在一家快餐店工作。
"No fast food," she said emphatically.
“不吃快餐，”她断然道。
I was a short-order cook and a dishwasher.
我曾是一名快餐厨师兼洗碗工。
