o.n.o.
基本解釋
- （用于廣告中表示可以接受稍低的價格）或接近的價格，可還價（or near(est)的縮寫）。
英英字典
- written abbreviation for or near(est) offer: used in advertisements for things that people are trying to sell to show that they will accept slightly less money than the price they are asking for