一次,我发现办公楼前的草坪上有三只烟蒂,于是叫来办公室主任,让他通知当日值班人员与部门负责人开会。人到齐后,我招呼与会人员跟着我绕着草坪走一圈,弄得大家有点丈二和尚摸不着头脑。半圈下来,一位部门负责人发现了一只烟蒂,忙拾了起来。大家好像顿悟到了什么,把另外两只烟? Once, I found three cigarette butts on the lawn in front of the office building. I called the director of the office and told him to have a meeting with the person in charge of the day on duty. After the arrival of the crowd, I called for the participants to follow me around the lawn and make everyone feel a little bit shabby. Half-circle down, a department head found a cigarette butt, picked up quickly. Everyone seems to have come to realize what the other two cigarettes?