余缺[yú quē]
词典surplus and deficiency：余缺。
surplus and deficiency:
例：互通有无， 调剂余缺
each making up the other's deficiency from his own surplus
1. 911chaxun查询·英语单词
1. yuque.net：ezei.net恶贼 | yuque.net余缺 | pisai.net皮赛