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喷墨打印机的最大问题是墨盒昂贵,买得起喷墨打印机,用不起墨盒。实际上,旧墨盒也可以重复利用……
Inkjet printer’s biggest problem is expensive cartridges, affordable inkjet printers, can not afford cartridges. In fact, the old cartridges can be reused ......