一鼓作气,再而衰,三而竭。
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。
The ethical issues surrounding IVF are complex, but the desire to have a child is a fundamental human right.
We must think beyond today’s technology to meet tomorrow’s energy demands.
领导力是关于愿景和责任,而不是权力。