NNA

例句：

1. 1. I need to find a new NNA for my car.
   我需要为我的车找一个新的NNA。
2. 2. The NNA is responsible for managing the company's finances.
   NNA负责管理公司的财务。
3. 3. The NNA has been working on improving the efficiency of the production process.
   NNA一直在努力提高生产过程的效率。