expulsion of arc

例句：

1. 1.The company's policy of expulsion is well-known.
   该公司的驱逐政策众所周知。
2. 2. He was expelled from the school for fighting.
   他因打架而被学校开除。
3. 3.The government's decision to expel the criminals was met with public outrage.
   政府决定将罪犯驱逐出境，此举引起了公众的强烈不满。