They assume you want to back your luck.

Perhaps it has won again.

For goodness' sake don't bother about it--and thank you very, very much." He bowed politely and moved a step or two away.

But Zora, struck by a solution of the mystery which had not occurred to her, as one cannot grasp all the ways and customs of gaming establishments in ten minutes, rushed back to the other table.

She arrived just in time to hear the croupier asking whom the louis on seventeen belonged to.