POC

例句：

1. 1.The POC is responsible for the safety of all employees.
   POC负责所有员工的安全。
2. 2. The POC has been working on a new project for the past few months.
   POC在过去几个月一直在从事一个新项目的工作。
3. 3. The POC is expected to be released next month.
   预计POC将于下个月发布。