And there's quite a complicated pathway for that because, as these products age, they get concentrated in dust, and then they also get thrown out, so they go to the landfills.
有毒物质的积累过程相当复杂， 因为当日用品老化时， 有毒物质就集中到了尘埃中。 当日用品最终被丢弃后，它们就被运到了垃圾填埋场,