It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure one's meaning.

7。简明，直接，有力的写作难于花哨，含混而意义模糊的表达。

Obviously our quantitative analysis must be expressed without using any quantitatively vague expressions.

显然，我们的定量分析必须在不使用任何定量模糊的表达方式的情况下进行表达。

" As 'this sort of thing' is rather a vague expression, would you kindly explain" ?

“因为‘这种事’是一个比较模糊的表达，请你解释一下”？

It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure one’s meaning.

简明，直接，有力的写作难于花哨，含混而意义模糊的表达。

This is sort of a vague expression, it's kind of an expression you don't have a specific plan, but you're making a suggestion to the other person.

这是一种含糊的表达， 是一种你没有具体的计划，但是你在向对方提出建议的表达。