BrE（用于小广告中，表示某物可减价出售）或接近买方出价，可还价 (used in small advertisements to show that sth may be sold at a lower price than the price that has been asked) or near/nearest offer
（广告用语）或接近买方出价，可还价 In advertisements, o.n.o. is used after a price to indicate that the person who is selling something is willing to accept slightly less money than the sum they have mentioned. o.n.o. is a written abbreviation for (书面缩略=) 'or near offer'.
