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Tsinghua University did not immediately reveal the secret they discovered. Instead, they asked how much they would spend on these dishes.

The pigeon said, "No need to ask, I'll just invite you."

No, I want to find out how different the prices here are from those in Guangzhou and my hometown, Mr. Tsinghua said.

The goose is 30 yuan a plate, the bass is 15 yuan a plate, the sausage is 10 yuan