Learning is not a passive process; it involves the active construction of knowledge.
The future of dairy lies in blending innovation with respect for natural processes.
A tree's strength lies in its roots, just as a company's strength lies in its values.
在为增加粮食生产的机构和为控制人口的机构联合起来共同努力之前,抗击饥饿的斗争不可能取得永久性进展。