People who do a lot of laser printing can purchase a printer that USES only a cent or two of ink per page. (Many use far, far more.)
大量使用激光打印的人，不妨购买每页只花一两分钱的喷墨打印机。
2
Most laser and inkjet printers must leave an unprinted area around the edges of a page to prevent toner from getting on the parts of the printer that move the sheets.