A daily input of water, food, and energy of various kinds is matched by an output of sewage, solid waste, air pollutants, energy, and materials that have been transformed in some way.
日常摄入的水、食物和各类能量与输出的污水、固体废物、空气污染物、能源和经过某种转化的物质相匹配。
2
This airflow pushes waste toward the bottom of the toilet, drawing it into a bag, holding solid waste, but letting the air through.
这样一来，排泄物会被气流抽到马桶底部的一个袋中，固体部分被收集起来，空气则被过滤掉。
3
"All that is solid melts into air," Karl Marx said, evoking the accelerating transformation of modern economic and social life.