This was necessary because space- travel, as far as that planet was concerned, was a strictly one-way affair except for Lensmen.

This was one conversation that looked like it was going to be strictly one-way.

The show makes it clear that transit is strictly one-way; an attempt to travel "backwards" causes the traveler to be destroyed.

The flow of emigration is strictly one-way.

Early police communications were strictly one-way.

"I suppose I could do that-as long as it's a strictly one-way communication, with no directives or 'suggestions' coming back in my direction."

Reading a non-psi's mind will be a strictly one-way street.

Seerbacker cursed the British designer for not including a facility, built-in, so that Gant could identify himself - but it was strictly one-way.

It was a strictly one-way affair, of course.

In fact, their journey would be strictly one-way.