助餐时不可把冷食，热菜和点心类食物混装在一个盘子里。

You should not mix hot food with cold food onto one plate at a buffet .

youdao

助餐时不可把冷食，热菜和点心类食物混装在一个盘子里。

You should not mix hot food with cold food onto one plate at a buffet .

youdao