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。
最好的投资策略是持有低成本指数基金的多样化投资组合。
The international system is inherently competitive, and states are constantly trying to outmaneuver each other.