translation.en: And I concluded, after researching every other technology that we could deploy for storing energy -- flywheels, different formulations of batteries -- it just wasn't practical to store energy.
translation.zh: 在研究了其它技术后，我认为 我们可以这样储存能量-- 飞轮， 与电池不同的飞轮-- 也许储存电力并非一个具操作性的方法