In fact, I did not think I learn knowledge about NVR, will be useful to this knowledge, I was really too happy, and I think I before learning that knowledge is really useful, some time ago, I have been learning about the knowledge of NVR, then I will find when working, I found the company inside the NVR work I can do, so I choose this company to go to the interview, I also try, but did not expect, I really was admitted, but I felt that some can do the job, so then, I will also be able to be more in-depth study about the knowledge of NVR, which is really good.