If we could take a gigantic kettle, the kind you could plug into a power socket, an electric one, and put those 20 billion metric tons of water in it, how much power would you need to have this water evaporated?
假设我们拿一个巨大的水壶 能直接插电的那种电热壶 把那二百亿公吨的水倒进去 你要花多少电力才能让这些水蒸发掉呢？