But no one has questioned the authenticity of the documents themselves, even if the reliability of the information contained therein appears to be of variable quality.

即使其中的文件看起来质量参差不齐，可靠性不一，也没有人怀疑这文件的真实性。

youdao

They took messy bunches of loans, with risks as variable as snowflakes, and created securities of uniform quality, easy to buy and sell.

他们核发一系列杂乱的捆绑借贷，它们就如雪花一样充满变数；而且，借贷公司又发行低质量的股票，这些股票的购进和卖出非常方便。

youdao

The quality espresso is a bit variable, though we've heard that things are improving as the cafe settles in.

Espresso的素质则有点不稳定，虽然我们听说咖啡店上轨道后情况有所改善。

youdao

Much of this data is scattered across the Web and of variable quality.

FORBES: Magazine Article

The variable quality of euro sovereign bonds is now much harder to ignore.

ECONOMIST: In a world of ugly currencies, the dollar is sitting pretty

Mr Bayley said the Dome's proposed contents appeared to be of variable quality and singled out the controversial Mother and Child figures.

BBC: Battle of the Dome continues