Like physical waste and trash, unwanted and unused data also pollutes the digital environment by degrading the performance and capacity of storage systems and requiring costly disposal.

就像物理的浪费和垃圾，有害的和没用的数据会降低性能和存储能力，并且要求昂贵的处理能力，从而污染了我们的数字环境。

PLM represents the management of all data relating to the requirements, design, production, support and disposal of a manufactured product.

PLM 代表对与一个制成品的需求、设计、生产、支持和处理相关的所有数据的管理。

If you already have the data at your disposal, that's a very different situation.

如果您已经拥有要处理的数据，则又是完全不同的一种情况。