In a Department Store

1--Yes, madam. Can I help you?
2--Yes, please. Yesterday my daughter bought this
skirt from this shop. I'd like to change it. Here,
I've got the receipt.
1--What's the problem?
2--I'm afraid it doesn't fit. It's a size 12 and it's
too small.
1--Mm. Then perhaps you ought to try a size 14.

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注解：

1）receipt：收据，发货票。
2）ought：应该，应当。情态动词，其后接带to的不定式动词。

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译文：

1--您有什么事吗，夫人？
2--是的。昨天我女儿在这家商店买了这条裙子，我
想换一条。这是发票。
1--有什么问题吗？
2--恐怕有点不合适。裙子是12号的，太小了。
1--啊，那么也许你该试一下14号的。