Development role

英 美
  • 发展规律
  • development n.发展;开发;生长;进展;[摄]显影;新开发区
  • role n.作用;角色
    1. Euphemisms also have their law of development.
      委婉语还有其自身的发展规律。
    2. They must be the laws of historical development which determine the transition from one period to another.
      它们必定是决定从一个时期过渡到另一个时期的历史发展规律。