If you go back a few hundred years, what we take for granted today would seem like magic—being able to talk to people over long distances, to transmit images, flying, accessing vast amounts of data like an oracle. These are all things that would have been considered magic a few hundred years ago.
If you don't make mistakes, you're not trying hard enough.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
天然气开采的创新是满足世界日益增长的能源需求同时减少环境影响的关键。