Le doute est le commencement de la sagesse.
Sustainability is no longer an option; it's a necessity for survival.
食品的未来是植物性的,我们才刚刚开始。
我们对宇宙了解得越多,就越意识到我们还有多少尚未发现的东西。
To teach mathematics is to inspire the next generation of thinkers and problem solvers.