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.

To talk about painting is not only difficult but perhaps pointless too.

学习投资的最好方法是多读书并研究伟大的投资者。

In the field of new energy, we must not only produce good products but also build a good ecosystem.

拥有得越多，欲望就越大。