这条规则仅适用于外国观光客。

This rule only applies to foreign tourists.

youdao

外国背包客：我是一个来自美国的背包客。

Foreign back-packer: I'm a back-packer from America.

youdao

外国背包客：非常感谢。

Foreign back-packer: Thank you very much.

youdao

外国背包客：非常感谢。

Foreign back-packer: Thank you very much.

youdao