Maybe after enough time passed you could no longer tell the difference.

And trust me on this, it's very easy to tell the difference.

You need to see if a loved one can tell the difference.

We are right to tell the difference because the difference is telling.

This reviewer obviously cannot tell the difference between quality and bad TV.

She felt sure she could tell the difference, but it was subtle.

You brought me down to see if I could tell the difference.

But the kids, when they were young, sometimes couldn't tell the difference.

So, the accelerometer can't tell the difference between accelerations and gravitational forces.

No individual within the Matrix would be able to tell the difference.

How do you tell the difference between a gimmick and an innovation?

Can you tell the difference between that and nitrogen from a farm?

You wouldn't be able to tell the difference, because you drink shit.

With you both dressed in black, no one can tell the difference.

The two things are so alike you can never tell the difference.

Luckily, he couldn't tell the difference between a uterus and a U-bend.