过去从未消逝，它甚至还未过去。

天然气作为清洁能源，将在我国能源结构调整中发挥重要作用。

Every discovery in science is built upon the work of countless others before us.

"Theatre is not just entertainment; it is a mirror to society."

I am the happiest creature in the world. Perhaps other people have said so before, but not one with such justice. I am happier even than Jane; she only smiles, I laugh.

一个真正的决定是通过你采取了新的行动来衡量的。如果没有行动，你就没有真正决定。