To be human is to be incomplete, always searching.
有人居住的世界的边界是由人类知识的极限决定的。
I have to remind myself that some birds are not meant to be caged. Their feathers are just too bright.
As a clean energy source, natural gas will play a significant role in China's energy structure adjustment.
Collaboration across industries and borders is essential if we want to address the global challenges of food security.
教育本身就是生活，而不是为生活做准备。
"History is not the past, it is the present. We carry our history with us."
