The lightweight,standard-issue Humvee is vulnerable to enemy fire and the heavier Mine-Resistant, Ambush-Protected truck,or MRAP, is too top-heavy for steep inclines.

VOA: standard.2010.08.01

Then, I could hook up another ambulance and a taxicab, a police car, a fire truck.

接着我可以联接另一辆救护车和出租车，警车和消防车。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

Then, I could hook up another ambulance and a taxicab, a police car, a fire truck.

接着我可以联接另一辆救护车和出租车，警车和消防车。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选