Long- term memory used to be thought of only as a mental filing system. Information was stored away in long-term memory,and there it sat until it was retrieved at some later date.

• 过去人们习惯于认为长久记忆是一种脑归档系统，信息储存在这种长久记忆的系统里，直到以后的某个时候再重现出来。