The world needs reliable energy, and coal still plays a critical role in providing it.
世界需要可靠的能源,而煤炭仍然在其中发挥着关键作用。
The least I can do is speak out for those who cannot speak for themselves.
民主是唯一能够反映人类精神不屈不挠追求自由的制度。
The most important quality in a man is courage. Without it, the other qualities are worthless.