儿童的一切教育都必须遵循一个原则,即帮助孩子身心自然的发展。
天空才是极限。
As a clean energy source, natural gas will play a significant role in China's energy structure adjustment.
Every exhibition is an argument made visible.
Everything you need is already inside you.
There is one small step for man, a giant leap for mankind.
网球是一项需要你在心理和身体上都强大的运动,但心理部分更为重要。
The mind is a temporal pattern of processes.