The artists cite what they consider more visible reasons for concern.

At certain points many people gather and run in formation purposefully, but for no visible reason.

The boy turned abruptly and left, for no visible reason.

It changed colors, but entirely without season and with no visible reason for the change.

There is no visible reason why you should play up to me, especially on business time.

You have no visible reason for being in this system unless it is to attack us again.

But there were reasons of state, pretty visible at the time.

If my mother sees us together for no visible reason, she's going to start me asking questions.

It's always better to go straight on, unless there's a good visible reason not to.

We found we could make the ship's gravity reverse for no visible reason in the control room.