We will now discuss in a little more detail the Struggle for Existence.  
Sun don't shine forever.
The most dangerous risk is refusing to take any risks at all.
短期市场波动不应分散我们对长期价值创造的注意力。
"Imagination is the key to unlocking the world."
如今网络上到处都是免费的教育资源,真正稀缺的是对学习的渴望。