zyu1
tau4
gwat1
编辑拼音
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无利可图的事,可有可无的东西
编辑解释
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(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
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