感谢大家今天的光临。

Gǎnxiè dàjiā jīntiān de guānglín.

Thank you all for visiting today.

欢迎光临！

Huānyíng guānglín!

Welcome!

我们已经是第二次光临这家餐厅了。

Wǒmen yǐjīng shì dì èr cì guānglín zhè jiā cāntīng le.

We are already attending this restaurant for the second time.