A big part of the secret is an extensive and expensive network of sporting academies underpinned by science and medicine.
这个秘密的一个重要部分是一个以科学和医学为基础、昂贵而分布广泛的体育学院网络。
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America's menu of options—research universities, state institutions, private liberal-arts schools, community colleges, religious institutions, military academies—is unrivaled.