翻译:天地运行的法则,是恒久不息的。
Collaboration across sectors is key to solving complex global energy challenges.
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
The success of Pinduoduo lies in finding an underdeveloped market.
"Positive psychology is not a spectator sport."