Although diverse in kind, sign advertisement in ancient China mainly consists of three sorts: image sign, mark sign and written word sign.

中国古代幌子广告类型众多，但概括起来，主要分为形象幌子、标志幌和文字幌三种基本类型。

youdao

Mark was lying unconscious but with no outward sign of injury.

马克躺着, 神志不清，但却没有外在的受伤迹象。

《柯林斯英汉双解大词典》

It is not at all a sign of weakness but a mark of strength.

那不是软弱的表现，而是力量的标志。” 斯坦福大学的Carl Thorensen博士说。

youdao

Second thing I want to note is, the little hash mark or the pound sign, that's identifying a comment.

我想要说的第二件事是，这个小斜杠或者是井字号，这是用来标注注释的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Only Jaguar, Arrows and Minardi have vacancies - and Jaguar are considered certain to sign Mark Webber in place of Eddie Irvine alongside Pedro de la Rosa, as exclusively revealed by the BBC.

BBC: McNish loses Toyota seat

There is no sign to mark it, just a sprawl of heavy, dark, tropical hardwood left to dry and age in the sun and a couple of half-finished canoes in front of the open-air shed where he does his work.

BBC: A tale of the South Pacific

For skeptics such as Intrepid Capital Management President Mark Travis, slimmer discounts are another sign the market is getting frothy.

WSJ: Stock-Sale Discounts Get a Haircut