"They need to validate that this is the way forward with Mexico,and in general, by being seen together and talking about things in a quite positive way that it is worth this investment in security."

VOA: standard.2010.05.17

as well as install them in the cars and validate the software that was with them.

还把系统安装在车里并检验配对的软件。

团队的重要性 - SpeakingMax英语口语达人