If we can make smart investments in these new sources of water in the coming years, we can solve our urban water problem and decrease the likelihood that we'll ever run across the effects of a catastrophic drought.
在未来数年里，如果我们 能对这4种新水源 进行明智的投资， 我们就能解决城市用水问题， 使我们遭遇大旱灾的可能性 大大降低。