Lesson 20 Guò hǎiguān 过海关 Go through customs Nǐ de hùzhào hé qiānzhèng? A：你的护照和签证？ Your passport and visa? Gěi nǐ. B：给你。 Here you are. Nǐ chūguó de mùdì shì shénme? A：你出国的目的是什么？ What is the purpose of your going abroad? Lǚyóu. B：旅游。 Travel. Nǐ chūguó duō cháng shíjiān? A：你出国多长时间？ How long do you plan to stay […]