檢視卖剑买牛的原始碼

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| style="background: #B3DDF4" align= center|  '''<big>卖剑买牛</big>'''
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'''卖剑买牛'''卖剑买牛，汉语成语，拼音是mài jiàn mǎi niú，意思是指放下武器，从事耕种。后比喻改业务农或坏人改恶从善。出自《汉书·龚遂传》。<ref>[https://baike.baidu.com/item/%E5%8D%96%E5%89%91%E4%B9%B0%E7%89%9B/6877066?fr=aladdin 卖剑买牛百度] </ref>