它同时能够减少垃圾和气味，并且产生一种比未经处理的粪便安全许多的有价值的有机肥料。
It will also reduce waste and odours, and produce a valuable organic fertiliser that is safer than raw manure.
环境科学家佩·德雷塞尔认为，用未经处理的人类粪便来种植粮食，这种做法的社会和经济效益超过了健康风险。
Pay Drechsel, an environmental scientist, argues that the social and economic benefits of using untreated human waste to grow food outweigh the health risks.
博士解释说，“从人类诞生开始，存在于泥土、未经处理的水和粪便中的微生物就伴随我们一起生存。”
"The bottom line is organisms that were present in mud, untreated water and feces were with us right from the start of humanity," Rook explained.
应用推荐