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I bought some pears at my local supermarket. At the checkout counter the cashier commented, Oh, dear, I've charged you for plums instead of pears.What's the difference? I asked. Well, she said, plums are smaller and round.Notes: (1) pear n.梨(2) sup...

I bought some pears at my local supermarket. At the checkout counter the cashier commented, "Oh, dear, I've charged you for plums instead of pears." "What's the difference?" I asked. "Well," she said,...