A black hole, with certain very limited exceptions, was strictly a one-way affair.

And so far, the mounting Asian trade has been largely a one-way affair.

He had to content himself with the fact that it was mostly a one-way affair.

A one-way affair, except when lights are turned on from this side, which they won't be.

Communications beyond the Earth/Moon vicinity were almost always one-way affairs.

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

So the invasion was a one-way affair.

Raising the Monster from the dust of a dead planet proved a dangerously one-way affair.

It is worth reflecting upon this and bearing in mind that trade is not a one-way affair.

I have a suspicion their trip into that canyon north of here will be a one-way affair!