Business cycles are not, as once thought, merely fluctuations around a stable trend, but rather reflect deeper structural changes in the economy.
经济周期并不像曾经认为的那样仅仅是围绕稳定趋势的波动，而是反映了经济中更深层次的结构性变化。
The dairy industry must balance tradition with progress to meet modern demands.
政治被认为是第二古老的职业。我逐渐意识到它与第一职业（指卖淫）极为相似。
The human mind is a complex system, and understanding it requires a multidisciplinary approach.
I don't want to be famous; I want to be great.
A goal is not always meant to be reached, it often serves simply as something to aim at.
可持续性不是一种选择；它是农业前进的唯一道路。
人在年幼时就开始学习，用心容易专一，没有别的事情干扰，所以容易学成。有人说，14岁前是学习的黄金时期，暂不说其中的科学依据，对于孩子来说，他们的好奇心、理解力、想象力和创作力正处旺盛期，也是集中学习受干扰少的最佳时期，因此在孩子最佳培养阶段，家长要懂得培养。
