We do not have a sewage system so we discharge our wastewater into a pit beside the house and then into the street once it is full. We do this with our own hands.
这里并没有排污系统，我们只有亲手将污水排放在房子旁边的一条坑子，到坑子满溢，就排放到街上。
2
They even enhance the soil around them thanks to the botanical cells which contain, treat and reuse sewage via biological processes resulting in greenery all around the house.
由于植物细胞通过生物过程吸收、净化并重复利用污水，它们甚至能改善周围的土壤，有助于房屋四周的绿化。
3
Multi-path model is used to analysis the direct and indirect influence of population, regional gross product, consumption level and household water supply on house refuse and sewage.