translation.en: That price is also a signal that maybe we need to start looking at other technologies, in the same way that gasoline prices are a signal and an impetus, to, say, the development of electric cars.
translation.zh: 这个价格也给出了另外一个信号， 可能我们需要开始转向其他技术， 就好像汽油价格是一种信号， 可以说其 刺激了电动车的发展。