为什么外国用a cup of coffee而不用a glass of coffee呢?

为什么外国用a cup of coffee而不用a glass of coffee呢? 是用a glass of coffee比较好,还是用a cup of coffee比较好? a cup of coffee I_______want a glass of coffee _______ a glass of coffee. 用 have a glass of coffee 怎么说 Let us drink a cup of coffee.为什么用drink The price of a cup of coffee is higher than ------of a glass The price of a cup of coffee is highe than ____ of a glass o — Would you like a cup of coffee or a glass of beer? “Would you like a cup of coffee or a glass of beer?” “____ w The price of a cup of coffee is lighter than ___of a glass o