1、Everything from human waste to industrial waste ends up in our rivers, lakes, and oceans.
從人類糞便到工業(yè)廢棄物最終都進入了河流，湖泊和海洋。

2、On the other hand, fertilizer from human waste provides nutrients essential to rebuilding soil.
另一方面，人類排泄物的肥料卻提供了重建土壤的充足養(yǎng)分。

3、Irrigation is the primary agricultural use of human waste in the developing world.
在發(fā)展中國家，灌溉是人類排泄物的主要農(nóng)業(yè)用途。