no-smoking 的词源

“禁止吸烟的地方”，1905年；这种标识的表述早在1817年就有记录。

Smoking is a vice to [sic] — and a national one, of such magnitude that railroad corporations throughout all their routes in the United States, have a special command in large letters, conspicuously placed at depots and inside of the cars — "No smoking allowed here." ["The Sailor's Magazine," December 1840]

吸烟是一种恶习——而且是全国性的恶习，严重到美国各地的铁路公司在所有线路上，都在车站和车厢内显眼位置用大字特别标明——“此处禁止吸烟。”【《水手杂志》，1840年12月】