These alternative methods of disposal will not only greatly reduce solid waste volumes, but also reduce disposal costs simultaneously. 这些替代方法处置，不但会大大减少固体废物量，但同时也减少处置成本，同时。
The liquid manure is still a major source of environmental pollution, although the way of separating solid and liquid manure reduces the environmental effect in certain extent. 虽然采取固体粪便与液体粪水相分离的方法在一定程度上减少了对环境的影响，但液体粪水仍是污染环境的主要来源。
