The owners have provided a black marker pen for visitors to add their own flourishes to the leaders' photos, and there's a less-than-subtle dig at the US underfoot, with American flag doormats.

咖啡馆老板还给顾客提供黑色的马克笔，任其在这些领导人的照片上涂鸦，而且门垫的图案是美国国旗，大有把美国踩在脚下的嘲讽意味。

youdao

The black-light pen or watermark stylus was a specialized felt-tipped marker originally designed by museums, restores, and forgery police to place invisible marks on items.

黑光笔或曰水印笔是一种特殊毡头标记笔，原由博物馆、修复专家或反赝品警察设计用来在物品上作隐形标记用的。

youdao

The skin is first anaesthetic with local anaesthetic and the outline of the mole marked with a marker pen .

皮肤是第一个麻醉与局部麻醉和纲要的摩尔标明标记笔。

youdao

Unfortunately for Tom Johnson, after three years of trying to grow any form of facial hair, he has been resigned to use the dreaded marker pen as a substitute.

BBC: Clive Stuart-Smith column

Different materials were handled roughly, placed in water, burnt, scoured with an abrasive cleaning pad and covered in black marker pen, but the laser was still able to read the surface fingerprint.

BBC: NEWS | Technology | Laser spots paper 'fingerprints'

Their black marker pen censored three per cent of the report for "legal reasons".

BBC: Savile inquiry: Media reaction to BBC transcripts