罗马帝国为什么垮台？什么是拉丁语办公室自动化？
Why did the Roman Empire collapse? What is Latin for office automation?
If you want to make a bond, you are to take the risk of tearing.
Sustainability is not an option; it's a responsibility we owe to future generations.
The speed of change is such that we have to run faster just to stay in the same place.