饼干很快会变质，但是佩基发现烘烤之后就能保存得更长。
The biscuits tended to spoil quickly, but Perky found that baking preserved them.
马里奥•卡佩基生于1937年的意大利，现在是犹他大学的一名研究员。
Mario Capecchi is a researcher at the University of Utah. He was born in Italy in nineteen thirty-seven.
不屈不挠的佩基决定自己销售麦片，用四轮货车装着，挨家挨户得兜售饼干。
Undaunted, he decided to sell the cereal itself, peddling the biscuits door-to-door from a wagon.
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