It suddenly occurred to him that he was comparing apples and oranges.

The most important thing is to compare apples with apples.

"In terms of growing up, it's like comparing oranges and apples," she said.

You can't compare apples to apples all the time, or whatever.

"In areas like that, our job is basically to compare apples to oranges," he said.

"It's a case of trying to compare apples and elephants."

I thought scientists knew better than to compare apples to oranges.

There is still a tendency when people look at what we are doing to compare apples with oranges.

Please do not fall into the trap of comparing apples and oranges.

With some of these proposals, it's like comparing apples and oranges.