该剧的背景设定在一个战时的战俘营。

The play has its ___setting in a wartime prison camp.

《第三人》的故事背景设定在二战后的维也纳。

The ___setting of "The Third Man" is Vienna after the Second World War.

小说黑暗而神秘的背景设定增加了情节的悬念。

The novel's dark and mysterious ___setting adds to the suspense of the plot.