当那个商人听到这个令人吃惊的故事时，他就心生一计。

When the merchant heard the astonishing story, he thought of a plan.

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科尔曼现年27，当时他们的探索让科尔曼灵机一动心生一计。

Their quest sparked an idea for Coleman, now 27.

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这时，我心生一计，拿出了大卡纸，上面写着：特色食物，欢迎品尝。

At this time, my heart had an idea, take out a big cardboard, top write: characteristics food, welcome to taste.

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