translation.en: And if you experience the effects of a multiyear drought, like California's currently experiencing, you just can't build a rainwater tank that's big enough to solve your problem.
translation.zh: 而且，如果你所处的地方常年干旱， 就像今天的加利福尼亚州一样， 你做多大的储水罐也解决不了问题。