如今，船只和工厂在向海洋、河流等排放废物。
Right now, ships and factories are putting wastes into seas, rivers and so on.
但是最大的挑战在于防止富营养的废物进入太湖，这需要让太湖周边的工厂和农场遵守严格的排放标准。
But the biggest challenge is preventing nutrient-rich waste from entering the lake, which will require tough emissions standards for surrounding factories and farms.
我们应该控制由工厂排放的废物，并且形成新的更节省的使用淡水和废水再循环的方法。
We shall on one hand control the rubbish which has been proceeded by factory, and on other hand construct a new method of using fresh water savely and recycle the waste water.
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