怎么回答welcome to

　　Welcome to the real world!

　　欢迎来到现实世界！

　　Like I said, you're always welcome to stay.

　　正如我以前所说的一样，我永远都欢迎你留下来。

　　They're welcome to stay here as long as they like.

　　他们在这里愿意住多久就住多久。

　　You're welcome to stay the night here.

　　欢迎你在这里留宿。

　　You are welcome to come and stay as long as you give us plenty of notice.

　　只要你及时通知，我们都欢迎你来住宿。