A largely untapped source of water for irrigation and groundwater recharge is treated municipal wastewater.

更多未开发的灌溉及地下水资源的再使用是处理市区里的废水.

We can use this untapped source of medications to supply all 10 million people who need medications. And we can do this today.

我们可以利用这些未开发的药物来源，满足那一千万人的药物需求。而今天我们做到了。