General McChrystal requested additional forces in a report leaked to the news media last month, warning that the U.S.military effort could fail without them.

VOA: standard.2009.10.15

Or just have the good intentions without the effort that's necessary to bring about a positive exponential function.

还是只有好的意图但不付出,必要的努力发挥正面指数函数的作用。

哈佛公开课 - 幸福课课程节选

In a secret assessment published by The Washington Post Monday, General Stanley McChrystal says he needs more forces and,without them, the effort faces possible failure.

VOA: standard.2009.09.22

"If he does not show some progress and it just seems like we are getting deeper and deeper into an occupation and a counter-insurgency effort without any positive news for a number of months, I think he could face some real opposition,".

VOA: standard.2009.09.02