如果某人吃了10克黄油，就可以获得与吃20克人造奶油相同的饱足感，那么他会选哪个呢？

来源: Shubin 于 2022-10-04 09:38:25 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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