simplicity
/sɪmˈplɪsətɪ/noun
mass noun
1- the quality or condition of being easy to understand or do简明; 简易; 简单：
for the sake of simplicity, this chapter will concentrate upon one theory.
为简明起见, 本章将着重介绍一种理论。
1.1
- the quality or condition of being plain or natural简朴; 自然：
the grandeur and simplicity of Roman architecture.
罗马建筑的庄严、简朴。
1.2
- count noun a thing that is plain, natural, or easy to understand单纯自然的事情, 简明易懂的事情：
the simplicities of pastoral living.
田园生活的简朴单纯。
短语
be simplicity itself
- be extremely easy极其容易。
词源
late Middle English: from Old French simplicite or Latin simplicitas, from simplex （see SIMPLEX）.