The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.

他们离开后，你的生活就空了。你应该再度向前，但你已忘了如何迈步。因为长久以来，都没有人叫你动。你自己也忘了要动。

下一代科学家将解决我们今天甚至无法想象的问题。

时尚的未来不仅仅是关于潮流；它关乎责任与创新。

Food security is the cornerstone of national security, we must firmly grasp it in our own hands.