A : I need to send this doc-ument. It's kind of urgent.
B : If it's not too far. You can use one of those "Quick Service" companies.
A : Are they delivery companies.
B : Yes. They deliver things from door to door. They are the fastest.
A : OK. How long does it take?
B : It depends on where you send it.
B : If it's within the city, it takes a couple of hours max.
A : No kidding, they are like bike messengers in the U.S.
B : Yes, you're right. Exept that they use motorcycles.
A : I see, Where do i get their number?
B : I have one stored on my phone. I'll send it to you.
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a couple of hours max : 최대 두시간