touch on something
touch upon something

Let me touch upon two points which are, in my view, especially important.

Even to you I can only touch upon it, and no more.

I would like to touch upon one final issue, and that is the question of young people in these countries.

Having said that, I should like to touch upon two or three points which might be important.

I should like to touch upon just a couple of your comments.

Finally, I should like to turn to an issue that has not yet been touched upon.

And now I have to touch upon a very sad matter.

After that we spoke of many things, but did not again touch upon the events by the river.

Are you going to touch upon the issue of energy conservation?

Finally, I should like to touch upon the constitutional question.