农业创新不仅仅是技术问题,更是改变思维方式和拥抱可持续性的问题。
Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought.
The laws of behavior can be derived from basic physiological principles.
在一个快速变化的世界里,诚信和质量的价值观是永恒的。