农业效率不仅仅关乎产量;它还涉及资源的负责任使用。
Your present state determines your future.
The only thing that counts is what cannot be explained.
地球不是一个刚体,而是一个动态系统,其中对流起着基本作用。
Old soldiers never die. They just fade away.
I stand up for what I believe in, and I don't back down.