(Voice) He says if European banks react to this by getting stricter on making loans,it could have very negative consequences.

VOA: standard.2009.11.27

I've got to find them by experimenting, by putting other bodies and seeing how they react and then finding out what's the force that acts on a body when it's placed in this or that situation.

我得通过实验找出这些力,我会增加其它物体,观察其反应,求出当它处在这种或者那种情况下时,作用在物体上的力

耶鲁公开课 - 基础物理课程节选

which could "possibly prevent war and defend peace." He said Pyongyang would react to "dialogue with dialogue" but warned it would respond to "sanctions by strengthening its nuclear deterrence."

VOA: standard.2009.09.29