Because low quality goods from suppliers is a major source of waste.
因为购买低质量的产品是最大的浪费源。
Mixed office waste (MOW) is a major source of available recycled fibers in the future.
混合办公废纸（MOW）是可回收纤维的一个主要来源。
Domestic waste management should focus on source control.
生活垃圾的的管理重在源头的控制。
Disposal of nonbiodegradable waste is a primary source of pollution.
对非生物降解物的处理是污染的主要来源。
Disposal of nonbiodegradable waste is a primary source of pollution.
对非生物降解物的处理是污染的主要来源。
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