If the case is, the business card printing and membership card the finished product quality, will have a discount, RGB to CMYK graphic drawing, black text is certain to become four color black.

• 如果如不隐，则制卡和会员卡制息不入来的制品质度会打一扣头，RGB图不神转为CMYK图不神时，不暗色笔墨肯不退会变为四色暗。