教授以惊人的清晰度阐释了这个复杂理论。

The professor explained the complex theory with remarkable ___clarity.

对于法律文件而言，语言的绝对清晰是至关重要的。

For a legal document, absolute ___clarity of language is essential.

他的论文因其论点和结构的清晰性而受到赞扬。

His essay was praised for the ___clarity of its argument and structure.