檢視一笔勾销的原始碼

[[File:一笔勾销.jpg|缩略图|400px|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=一笔勾销&step_word=&hs=0&pn=30&spn=0&di=990&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=2&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=-1&cs=359650715%2C2828039091&os=753251141%2C3795631795&simid=0%2C0&adpicid=0&lpn=0&ln=1365&fr=&fmq=1586173458291_R&fm=result&ic=&s=undefined&hd=&latest=&copyright=&se=&sme=&tab=0&width=&height=&face=undefined&ist=&jit=&cg=&oriquery=&objurl=http%3A%2F%2Fwww.zzstep.com%2Fchustu%2F.%2F_resource%2Fflash%2F1412852062.jpg&gsm=3c&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 原圖鏈接][http://www.zzstep.com/xiaostu/zhuanti/xiaostu_chengyu.php?tag=7 图片来源]]]
'''一笔勾销:'''把账一笔抹去，比喻把一切完全取消。