There were good people in the Song Dynasty who didn't want to be turtle medicine, so they always thought about it. When the guests hear it, please buy its square hundred gold. Gather the family and ask for it, saying, "I have been a good friend all my life, but I have only a few gold." This year, I won one hundred gold medals, so please go with it. "The guest gets it, saying it's the prince. The more difficult it is, the more the prince of Wu will do it. In winter, we fought against the Vietnamese, defeated the Vietnamese and cracked the land. If you don't help the tortoise, or seal it, or you can't help it, it will be different.

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There was a man in Song Dynasty who was good at making drugs to prevent skin from freezing and cracking. For generations, he washed cotton wool with water. Someone heard about it and asked for 100 yuan for his prescription. The whole family got together to discuss and said, "We have been rinsing cotton wool for generations, and our income is only a few gold. Now we can get a hundred gold by selling prescriptions at once, so let's sell it to him. " The man got the prescription and used it to lobby the king of Wu. At this time, the State of Yue invaded the State of Wu, and the King of Wu ordered him to lead the army. In winter, he fought a water war with the Vietnamese army and defeated it. The prince of Wu drew a piece of land and raised it for him. The same is true for drugs that can prevent chapped hands. Some people are rewarded by it, while others are inevitably tired of washing cotton wool. This is because they have different uses.