新闻旨在传播有益信息,英文版原文来自https://initiativeforstudents.caltech.edu/story-listings/veteran-and-ahmanson-scholar-alex-johnson-on-choosing-caltech-and-giving-back/
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新闻旨在传播有益信息,英文版原文来自https://initiativeforstudents.caltech.edu/story-listings/veteran-and-ahmanson-scholar-alex-johnson-on-choosing-caltech-and-giving-back/