The shopman offers you a third apple; but, before biting it, you examine it, and find that it is hard and green, and you immediately say that you will not have it, as it must be sour.
售货员给了你一个三等苹果，但是在吃它之前，你先检查，发现苹果又硬又生，然后你立即说你不要这个苹果，因为它一定是酸的。
The shopman offers you a third apple; but, before biting it, you examine it, and find that it is hard and green, and you immediately say that you will not have it, as it must be sour.
售货员给了你一个三等苹果，但是在吃它之前，你先检查，发现苹果又硬又生，然后你立即说你不要这个苹果，因为它一定是酸的。
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