Not necessary.

父母在我哥那儿呆了几个月回国,不到3个月再来我这里(我和我哥相距很远),入关时有没有问题?

-It should be fine.

我需不需要写一封给海关的信让他们入关时给海关官员看看,解释一下

-No, but not hurt you to do it. If asked, then provide it. If not asked, not need to show it.

请您先登陆,再发跟帖!