Coal has been the backbone of industrial progress, but its future must balance economic needs with environmental responsibility.
教育是你可以用来改变世界的最有力武器。
译文：一句话不小心就会招致祸患，一件事不小心就会玷污名节。赏析：口无遮拦的人迟早会给自己带来祸患，行为不检点之人更会玷污自己的名节。我们的一言一行不仅关乎名节，更关乎性命。
The holographic principle suggests that the information in a volume of space can be thought of as encoded on a boundary to that space.
Advertising doesn't create a product advantage. It can only convey it.