出国旅游前先打卡首都北京英文

Check in the capital Beijing before traveling abroad.

Check in

登记入住 托运（行李）（在机场）办理登机手续，检票登机

例句：People check in， but sometimes， they don't check out.

人们登记入住，但是有时候不退房。

出国旅游海外旅行

例句：It is generally thought that traveling aBroad can enrich one's knowledge.

一般认为出国旅游可增广见闻。