two piece of advice piece需要加s吗

A piece of advice中piece是什么意思? A piece of advice=? two piece of bread有错误吗 a piece of advice这种词的用法中,如果是复数形式,应该s加到哪个前面? _____ important piece of advice it is! what a good piece of advice 还是what a piece of good advice 一条短语是a piece of advice 还是the piece of advice some advice,是直接的,不加量词,那some piece of furniture,为什么 It's a piece of 帮忙翻译这句话.what's the best piece of advice in the passage to he piece of Please pass me two piece of paper..