说赚钱：/business idea： 剃须刀片锋利器

创意名称：剃须刀片锋利器
Creative Name: razor blade sharp device

创意构成：电动剃须刀片锋利器
Creative composition: electric razor blade sharp device

技术原理：利用高速转动的磨头对刀片进行锋利处理。
The technical principle of the blade is sharp: using high-speed rotating grinding head.

经济效益：循环利用刀片，节省开支。
Economic benefits: Recycling blades, save money.

灵感来源:一次性刀片用完扔掉可惜。
Source of inspiration: disposable blades run out of pity.

补充说明：对磨头的要求比较高，要能磨钢片。
Note: the head is relatively high, to be able to wear steel sheet.