一位朋友给我讲述了一则发人深思的故事。有一位钱币商和一位卖烧饼的小贩,被一场洪水困在了一个野外的山岗上,他们不知道这场洪水要持续多久才能退去。两天后,钱币商身上带的吃的东西都光了,只剩下一口袋钱币。而烧饼贩子则还有一口袋烧饼。钱币商提出一个建议,要用一个钱币买 A friend told me a thought-provoking story. A coin dealer and a hawker selling sesame seeds were trapped in a wild hillock by a flood. They did not know how long the flood would last until they receded. Two days later, the food items on the coin dealer were all light, leaving only one pocket coin. But there is also a pocket of sesame biscuits. Coin dealer proposes a proposal to use a coin to buy