建筑师为房子选择了一个朴素的设计。

The architect chose a ___plain design for the house.

她更喜欢简单的食物，而不是花哨的菜肴。

She prefers ___plain food over fancy dishes.

他喜欢在休闲场合穿朴素的衣服。

He likes to wear ___plain clothes for casual occasions.