从源头上解决了问题
The problem has been solved at its source
以上为机器翻译结果，长、整句建议使用 人工翻译 。
把这些污染环境的东西用来制造土壤，把这些废弃物变成了宝贵的资源，这就是从根本上、从源头上解决了环境保护问题。
These so-called pollutants are just used to make soil, thus changing wastes into valuable resources and solving the problem of environmental protection thoroughly and from the starting point.
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