英语语法分析

Splitting kids, or adults, into ever-tinier categories has proved a sure-fire way to boost profits.

事实证明，将孩子或成人分成更小的类别一定能提高利润。

So, we get a little speck here and an even tinier speck here.

这里有个小斑点，和一个甚至更小的斑点。

“With age, we move in tinier and tinier circles, ” says Professor Davey.

戴维教授说，“随着年迈，我们生活的圈子越来越狭小。”