分享此音频是《TOEFL核心词汇21天突破（全新修订）》的附属音频，大家买了这本书后，也可以选择在这儿收听。自2003年出版以来持续畅销，成为考生公认的托福备考经典。很多考生对此书的评价是“终生受益”，因为它从头至尾传达的理性精神让人相信：不论遇到多大的困难、多繁杂的局面，只要动用理性的剃刀，终归能化繁为简，乱中取真。
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