zhè / gè / pǐn / pái / de / zhì / liàng / jìn / rén / jiē / zhī / , / gēn / běn / bù / xū / yào / zuò / guǎng / gào / 。这个品牌的质量尽人皆知,根本不需要做广告。The quality of this brand is well known to all, so there's no need to advertise at all.