指废弃的塑料制品，因其多为白色，故称plastic waste

• 这一船一船的白色垃圾，都是市民和进出上海的船民扔的。

  These boatloads of plastic waste have all been discarded by the local citizens and boat people who come in to Shanghai.

• 白色塑料袋被称为白色垃圾，白色污染。

  White plastic bags have been referred to as plastic waste, or white pollution.