因此，纸质书籍的销售受到了影响。[br][/br] Therefore,thesalesofpaperbookshavebeen_____.
因此，纸质书籍的销售受到了影响。[br][/br] Therefore,thesalesofpaperbookshavebeen_____.
1
因此，纸质书籍的销售受到了影响。[br][/br] Therefore,thesalesofpaperbookshavebeen_____.