The government proposes to spend up to sixteen billion dollars on a wireless network for public safety agencies.

VOA: special.2010.03.19

So, find an important problem. Work on it, and to say nothing of the wireless device there.

所以，找到了关键问题，并努力去解决它，先说明，这并没有无线设备。

麻省理工公开课 - 固态化学导论课程节选

So, find an important problem. Work on it, and to say nothing of the wireless device there.

所以，找到了关键问题，并努力去解决它，先说明，这并没有无线设备。

麻省理工公开课 - 固态化学导论课程节选