One of the classic studies in the field of psychology showed fake playing cards to users to see how they responded (a red 5 of spades, for example). Here is what the authors conclude.

在心理学领域，有一个典型的研究案例是这样的，研究者给玩牌者出示假冒的扑克牌（譬如红色的黑桃5），以观其反应。

youdao

The opera "Queen of Spades", written in 1890 by Tchaikovsky drawn from the same name of Pushkin's novel in 1834, is the classic giant which is performed for hundreds of years on the opera stage.

柴科夫斯基1890年创作的歌剧《黑桃皇后》，取材于普希金1834年的同名小说，是歌剧艺术舞台上百余年来常演不衰的经典巨作。

youdao