date of inception of the policy

例句：

1. 1.The inception of the project was marked by a series of challenges.
   项目的开始标志着一系列挑战。
2. 2.The inception of the new era is often marked by significant changes.
   新纪元的开始往往伴随着重大变化。
3. 3. The inception of the project was marked by a series of challenges.
   项目的开始标志着一系列挑战。