be their own master造句

• The slaves were their own masters
  奴隶们成了自己的主人。
• In the transitional period from planned economy to market economy, the state-owned enterprises are their own masters hi running them and accounting business, which are responsible for their gain or loss according to the law
  这两个时期，虽然国有企业的概念不同，但确定国有企业的根本标准没有变，这就是企业的财产都必须全部归国家所有。