A mathematician's work is never done; there are always more problems to solve.
此一时,彼一时也,怎么能一概而论呢?
农业的可持续性不是一种选择,而是生存的必需。
You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself.
农民增收不能只靠政策,更要靠市场机制和产业升级。
你的空间无法扩展是因为我。
Do just once what others say you can't do, and you will never pay attention to their limitations again.