With a normal black biro I have drawn this on marker paper, using a photo as an underlay.

首先我用一只普通的圆珠笔在背景层上画上车的大概轮廓。

youdao

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

Cesium levels in the Black Sea, located more than 400 miles from Chernobyl, were 10 times to 20 times higher than normal after the 1986 accident, he and colleagues found.

他和他的同事发现，离契尔诺贝利超过400英里的黑海中铯的水平在1986年事故之后超过正常标准10至20倍。

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