First, to educate as many young Californians as affordably as possible.

首先, 以尽可能实惠的方式来教育这群年轻的加州人.

But in the case of solar panels, there currently isn't any way to affordably store extra energy.

但在太阳能板这方面，目前没有任何可行的方法来储存多余的能量。