剑桥词典written abbreviation for or best offer : used in advertisements for possessions that people are trying to sell , to show that they will accept slightly less money than the price they are asking for （用于广告中）价格可商议（or best offer的缩写） Exercise bike for sale - $40 obo. 健身车贱卖——40美元（可议价）。 返回 obo