“you're welcome”的意思是欢迎你，不用客气。
welcome的相关例句：
Welcome them to the challenge, encourage them and see if you have something in common.
欢迎他们参与挑战，鼓励他们，看看你们是否有共同点。
I want to reiterate that we welcome all riders on our system.
我想重申一下，我们欢迎所有乘客使用我们的运输系统。
However he was not advisable and welcome in politics as an Emperor.
然而，作为一个皇帝，他在政治上并不明智，也不受人欢迎。
We welcome you go back to China to participate into our celebration.
到时候欢迎您回到中国参加我们的庆祝活动。
We should welcome both the opportunity and the challenge.
我们对于这个契机和挑战应该同表欢迎。