translation.en: 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?
translation.zh: 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？