Don't let fear stop you from doing what you want to do.
Every organism is in a struggle for existence.
如果不能满足农民的需求,最先进的技术也毫无价值。#
The more you know, the more you realize how little you know.
Never stop learning, because the world never stops changing.
天然气将在向低碳未来的过渡中发挥关键作用。