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A：I've brought some potato chips. Would you like some, Jack?
我带了一些薯片。你想要一些吗，杰克？
B：Yes. I'd like to swap some of my peanuts for your chips.
是的。我想拿些我的花生换你的薯片。
A：That'll be fine. Thanks.
那太好了。谢谢。
B：Do you have any ketchup?
你有番茄酱吗?
A：I forgot to bring it, but maybe Mary has some. Let's go and ask her.
我忘记带了，但也许玛丽有些。让我们去问问她。
