The best way to learn is by doing and making mistakes.
好人不需要法律告知他们负起责任，恶人总是绕法律边缘而行。
Innovation and technology are key to meeting the dual challenge of supplying energy while addressing climate change.
Natural gas will play a crucial role as a bridge fuel in the transition to a lower-carbon future.
过去是一道永不愈合的伤口。
The great struggle of the twentieth century was between liberalism and totalitarianism.