The work has been built by a structural metalwork company, Littlehampton Welding, and the interior walls are lined with a soft flock that is 10 times blacker than normal black paint.

这件作品由利托汉普顿·韦尔丁金属结构工程公司搭建，内墙使用了一种比普通油漆黑十倍的植绒软墙纸。

youdao

From 1819 to 1843, Truro's postmistress was a Miss Thomas, who preferred the use of blue ink instead of the normal black stamping.

BBC: Rare Truro blue marked letter found in Exeter archive

Two reservoirs have lower than normal levels, Black Esk and Penwhirn, which serve Annandale, Eskdale and Wigtownshire.

BBC: Water shortage risk for parts of Scotland

What does all of this have to do with Kurtosis (and what is that anyway?) and normal distributions and black swans and risk management?

FORBES: Christmas, Kurtosis, Fat Tails, Black Swans and Risk Management