simple的名词形式：simplicity,（n.名词）简单,朴素; 质朴,天真; 卑贱; 无知

复数： simplicities

例句：

This sensitive book tackles the delicate issue of adoption with care and simplicity

这本敏感的书谨慎、简洁地讨论了收养这一微妙问题。

The kitchen is simplicity itself, relying on a combination of good design, craftsmanship and quality materials for its effect

厨房非常简洁，这有赖于好的设计、工艺及可体现这种效果的上乘材料。