与堆填区的堵塞能力与塑料垃圾，以生物降解，更多的堆填区已去创造，以处理不断涌入新的废物堆填区。

With landfills clogged to capacity with plastics that refuse to biodegrade, more landfills have had to be created to handle the continuing influx of new wastes to landfills.

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如果你从使用的食油，它不仅廉价，但您将回收麻烦废物的产品，往往结束在污水渠及堆填区的而不是被回收利用。

If you make it from used cooking oil it's not only cheap but you'll be recycling a troublesome waste product that too often ends up in sewers and landfills instead of being recycled.

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