zyu1
tau4
gwat1
编辑拼音
无利可图的事,可有可无的东西
编辑解释
(n.) pork bone, usually for making stock; (slang something that is tough but not rewarding; something that is unprofitable; (slang) something that is not good enough to get you excited but that is still a pity to be discarded; the expendable things; the non-essentials
编辑英文解释