想聊就聊-4.01.1关于护照

Hi,Dollers,I hear you are going to United States next week?

So I am.

When did you get the passport?

I got it last week.

How long is it valid¹?

It follows for five years.

I'm applying to do a doctor's degree joining my stay there.

Good,good luck to you.

Thank you very much.

1 valid   

adj.有确实根据的；有效的；正当的，合法的

参考例句：

• His claim to own the house is valid.他主张对此屋的所有权有效。
• Do you have valid reasons for your absence?你的缺席有正当理由吗？