This means that any thought about a certain subject will often bring up more memories that are related to it.

点睛

certain此处意为“某个，某种”。bring up在句中意为“引起，勾起”。that引导的是memories的定语从句，其中be related to意为“与……相关”。

考点归纳

短语bring up还有如下常见含义：

“抚养，养育，教养”。如：

He was brought up by his grandparents. 他是由祖父母抚养长大的。

“提出(讨论等)”。如：

I hate to bring up the subject of money. 我讨厌提钱这个话题。

“呕吐”。如：

She can't eat anything without bring it up. 她吃什么都会吐。六级考试

“调出，使显示在计算机屏幕上”。如：

Click that button to bring up a new menu. 点击那个按钮，调出一个新菜单。