自由的本质在于能够在不受他人任意干涉的情况下追求个人目标。
The truth is often found in contradiction.
The balance between energy needs and environmental protection is the challenge of our time.
解释:第一次击鼓能振作士兵们的勇气,第二次击鼓可以使士兵们的勇气低落,第三次击鼓士兵们的勇气就消失了。