Kollokation
They were available only on the black market, and the price was high.
I can get a good price for it on the black market.
The black market is now the main source of food, the study found.
Of course, he went in the past too, but on the black market.
There was even a black market made in this paper.
Worth more on the black market there than here, too.
She could have sold the baby on the black market.
You didn't care that it had come through the black market.
If you ask me, that's the first step to black market.
What if the black market continues in its current state?
