这是非常基本的生活，没有污水收集系统和每日会收集污水。
It was very basic with no sewerage system and the effluent was collected daily.
如果我们有一个良好的经济，我们有良好的垃圾收集和污水处理厂。
If we have got a good economy, we have good garbage collection and sewage treatment.
收集来自屋顶，雨水和被处理过的污水并进行重新利用。
The water from roof, rain and wastewater treatment is reused.
同时建议污水收集系统先行；
The drainage system should be built ahead of the Wastewater treatment plant.
同时建议污水收集系统先行；
The drainage system should be built ahead of the Wastewater treatment plant.
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