And then sort of through a process of wandering around, I got to the thought that actually if you could convert an entire country to electric cars, in a way that is convenient and affordable, you could get to a solution.
然后经过反反复复的思考， 我有了这样一个想法， 如果你可以将整个国家转换到使用电力汽车， 在方便和经济的前提下， 那你便有了解决的方法。