任何事物都不可能完美无缺,事物之所缺,乃发明之目标。完善已有的事物,就是在追求新的创造,许许多多的事物都是在不断地完善中得到提高与发展。从这些事物的发明创造过程中,可以得到一种具有普遍性意义的创造技法——主体附加法。 主体附加就是在原有的技术思想中补充新内容;在原有的物质产品上增加新附件。例如,早期的自行车没有车铃,后来,人们在自行车上装了响铃,这就是一次主体附加。还有,在自行车上安装里程表、后 Nothing can be perfect. The lack of things is the goal of invention. To improve existing things is to pursue new creations. Many things are constantly improved and developed. From the invention and creation process of these things, one can obtain a universally significant creation technique—subject addition method. The addition of the main body is to add new contents to the original technical ideas; new accessories are added to the original material products. For example, early bicycles did not have bells. Later, people installed bells on bicycles. This was a subject addition. Also, after installing the odometer on the bicycle,