世界拥有技术 - 无论是现有的还是研究中的 - 可以在可持续的基础上养活100亿人口。
The world has the technology - either available or well advanced in the research pipeline - to feed on a sustainable basis a population of 10 billion people.
Prediction is very difficult, especially about the future.
I don't think you can make a good movie without a good script.
"I am not young enough to know everything."
做一个企业家就像吞玻璃和凝视着死亡深渊。