Science and art belong to the whole world， in front of them， national barriers were gone.
科学与艺术属于整个世界，在它们面前，民族的障碍都消失了。
The past is not a straight line but a tangled web.
Science is a way of exploring and understanding the world.
To understand a sentence means to understand a language.
Legal systems are not merely systems of rules, but also systems of power.
If you're competitor-focused， you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering.