这家咖啡馆专门为单身人士设计了舒适的座位区。

This café has a cozy seating area designed specifically for ___singletons.

作为独生子，他从小就没有兄弟姐妹一起玩耍。

Being a ___singleton, he never had siblings to play with growing up.

他手里只有一张红桃A，这在游戏中是个弱牌。

He only had the ___singleton ace of hearts, which was a weak card in the game.