Note the difference between "do you have less able children in your class?"

We have already noted differences in the age of marriage.

Then I noted the difference in this door from its brothers.

Please note the difference in the time required for its manufacture.

Note the difference at the beginning of the graph before Ralph started.

It is important to note the difference between a special plea and an exception.

Note the difference between the narration and the words written across the screen at the end.

It wasn't a matter of judging which man was better, just noting differences.

You would, of course, need a high enough cliff to note the difference definitively.

One can easily note stylistic differences between the two parts of the structure.