It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure ones meaning.
请问老师这句中的one指的是某个人吗？谢谢你!
It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure ones meaning.
是的。one 指代“人” （指作者）
that only obscure ones meaning 只能使一个人（作者）的意思模糊。