Please help yourself.
Enjoy yourself,please.
Make yourself at home,please.
以上3种都是可以的,如果请别人随便吃,不止一个人时,将yourself替换成yourselves就可以了
Please help yourself.
Enjoy yourself,please.
Make yourself at home,please.
以上3种都是可以的,如果请别人随便吃,不止一个人时,将yourself替换成yourselves就可以了