Everyone is shy. Other people are waiting for you to introduce yourself to them， they are waiting for you to send them an email， they are waiting for you to ask them on a date. Go ahead.
如果让我用一句话总结如何改变世界，我会说，努力工作，为那些真正激动人心的事物。
The real challenge is not growing more food, but growing it smarter with less waste.