Clothing sizes are measured differently in the United States from
            the way they're measured in countries where the metric system is
            used.
            美国服装尺寸的量法和使用公制单位的国家不一样.

            1.A: Are you being helped?
            B: No. What do you have in brown suede jackets, size 40?
            A: The closest I have is a 38.
            B: Do you think you'll be getting any more in?
            A: No, but they might have them at our other store.

            2.A: Is anybody waiting on you?
            B: No. I'm trying to find a green sweater in extra large.
            B: We have your size, but not in that color.
            A: Can you order one for me?
            B: Certainly. Just give me your name and address.

            3.A: Is somebody taking care of you?
            B: No. I'd like a long-sleeved shirt in yellow, medium.
            A: I think we're out of your size.
            B: Well, can you get me one?
            A: I think so. Check back next week.

            4.A: Is anyone helping you?
            B: No. I'm looking for a navy blue raincoat, size 36.
            A: I'm afraid we don't have any left.
            B: Will you be getting more in?
            A: Yes. Try us again next Monday