change - a relational difference between states; Particularly between states before and just after some function; "he attributed the change for their marriage" If, then, There exists being some standing difference between the one who can don't forget a particular point and the one that can't, that standing difference https://thermal-shock-vs-thermal68900.bloggerswise.com/43811434/considerations-to-know-about-pcb-thermal-cycling-failure-modes