There can be no permanent progress in the battle against hunger until the agencies that fight for increased food production and those that fight for population control unite in a common effort.
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。
For me they normally happen, these career crises, often, actually, on a Sunday evening, just as the sun is starting to set, and the gap between my hopes for myself and the reality of my life starts to diverge so painfully that I normally end up weeping into a pillow.
文化是一个群体在应对外部环境生存问题和内部整合问题的过程中，经过一段时间所学习到的东西。