To this day, researchers are still not quite sure how the generation effect actually works.
直到今天，研究人员仍然不太确定“生成效应”实际上是如何工作的。
英语百科
Generation effect
The generation effect is a phenomenon where information is better remembered if it is generated from one's own mind rather than simply read. Researchers have struggled to account for why generated information is better recalled than read information, but no single explanation has been sufficient.