translation.en: Now I don't know why, but it might be because, in their case, their cells haven't actually figured out the right thing to do with that excess energy.
translation.zh: 虽然现在我还不知道为什么，但是一个可能的原因是， 对他们而言，他们的细胞无法正确的 对体内多余能量做出反应。