Painted yellow salmon now decorate some of the catch-basins of Vancouver, to remind us that what we put into our storm sewers eventually ends up in our oceans.
为提醒我们，我们倒进排水管道的物品最终将流入海洋，在温哥华的一些下水道口，人们描画了黄色的鲑鱼图案。
Where storm sewers are separated from sanitary sewers, runoff enters receiving waters untreated and can carry a variety of wastes, including organic and toxic wastes.
在雨水沟与污水道分开的地方，街道雨水没经过处理并携带各种各样的废物，其中包括一些有机的和有毒的废品流人承接河道。
Engineers build huge storm pipes or sewers to carry the storm water away, but these cause another problem.
工程师们建造了巨大的雨水管或下水道来把暴雨雨水排出去，但是这些设施会引起另一个问题。
The problem of municipal sewage disposal is complicated by the fact that, years ago, most cities combined their storm and waste disposal sewers.
城市排水问题复杂化了，依据事实是几年前城市合并了他们的暴雨和污水处理系统。
The problem of municipal sewage disposal is complicated by the fact that, years ago, most cities combined their storm and waste disposal sewers.
城市排水问题复杂化了，依据事实是几年前城市合并了他们的暴雨和污水处理系统。
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