In 1993, author Mark Pendergrast published an expose of the cola industry and included what he said was the original formula.
早在1993年，作家马克出版了一部可乐工业的著作，并列出了一份所谓的原始配方。
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Thisamericanlife.org consulted historian Mark Pendergrast, who has written a history of the drink and believes the recipe could be, as Coca-Cola's famous slogan goes, the real thing.