单词：help yourself
请自己动手用餐吧
help yourself的用法和样例：
例句
- Help yourself.别客气。
- Help yourself to the fruit.请随意吃水果。
- Please help yourself!请随便吃吧！(主人对客人用餐用语)
- Help yourself to this apple pie.请吃点苹果馅饼。
- I don't know your preferences, so please help yourself.我不知道你喜欢吃什么，请你自便吧。
- Help yourself from the smorgasbord.请随便用自助餐。