In addition to the advantages listed thee, the e-book is an environmentally friendly product which can reduce the waste of resources.
除了上述优点之外，电子书也是友好环境的产品，可以减少资源浪费。
In addition to the advantages listed thee, the e-book is an environmentally friendly product which can reduce the waste of resources.
除了上述优点之外，电子书也是友好环境的产品，可以减少资源浪费。
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