The reason for doing this is simple: Digesting the original content generates a small but unique encrypted value (digest) that takes less time to sign as compared to the original content.

这样做的原因非常简单：对原始内容进行整理之后，可以得到一个很小的但是唯一的加密结果(称为摘要)，这样比对原始内容进行签名花费的时间少。

youdao

Point taken, but nowhere did we suggest that this yacht's features were unique.

你说的是，但是我们在任何地方都没有表示这艘游艇的特点是独一无二的。

《柯林斯英汉双解大词典》

His path was unique, but innovation experts say the pattern of exploration is not unusual.

他成功的途径是独一无二的，但创新专家表示，这种探索模式并不罕见。

youdao

CARLOS AMAYA: "Coppi's is a very unique, sustainable restaurant. The theme of it is of course, northern Italian, but the difference in maintaining a sustainable restaurant, meaning we have to source American products."

VOA: special.2009.04.10

The two accounts are extremely different but they both Signal the unique position and dignity of the human being.

这两种描述是截然不同的，但是它们都,表明了人类特有的地位和尊严。

耶鲁公开课 - 旧约导论课程节选

Some of them are unique to one source, some are not, but ultimately the claim is that these have all been merged, and have left us then with an overall total of ten. This may in fact be true.

有些瘟疫只有一个出处，有些则不是,最重要的是，它们被混在一起,流传下来的，就有了十次瘟疫，也许真的有。

耶鲁公开课 - 旧约导论课程节选

Anna turns records into undecipherable but unique character strings called one-way hashed data.

FORBES

S. Bach for inspiration but unique vocal stylings that resemble rhythmic and melodic chanting accompany the intricate acoustic guitar interludes, electronic elements, and light percussion.

NPR: Twi The Humble Feather: 'Higher Than The End'

Personally, I pick up Resident Evil titles intermittently, and my House Of The Dead on Dreamcast will always have a role, but unique high quality titles with true longevity are rare.

BBC: Screenshot of Halo