It turns out there's a lot of powerful sun all around the world, obviously, but in special places where it happens to be relatively inexpensive to place these and also in many more places where there is high wind power.
研究表明显然地，世界上有大量的太阳能， 在一些特殊的地方，恰巧放置这些太阳能设备又代价很低， 同样的是风能的情况。