我不是为了钱而比赛,我是因为对这项运动的热爱而比赛。
Sustainability is not an option; it's a necessity for the future of our industry.
量子力学不仅是一种理论,而且是一种关于自然的新思维方式。
Small acts of kindness can boost your mood more than you might expect.
The camera sees geometrically. We don't.
And when his audience grew bored, he would spring into the air and do a back flip with a half twist.