The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
The past is never dead. It's not even past.
最有价值的碳氢化合物分子是我们不需要燃烧的那种。
Sustainability isn't an option anymore—it's a necessity for any business that wants to thrive in the future.
你的时间有限,所以不要浪费在过别人的生活上。