196. There's little justification for objections to sex education . In fact , even a minimal introduction to consequences of sexual interaction ( the bird's and bee's ) might have dramatically changed the lives of many people .

　　反对性教育几乎是没有道理的。实际上，最小限度的介绍性行为的后果（鸟和蜜蜂的）可能戏剧性地改变许多人的生活。

　　197. We can safely say that the world continues to turn and things have changed dramatically , but we can never claim the world is a safer place .

　　我们可以稳妥地说世界在继续传动，情况发生了巨大的变化，但是，我们永远不能声称世界变得更加安全了。

　　198. We can say this and we can say that , but the most important thing is not to say , but instead to do .

　　我们可以说这说那，但最重要的事不是说，而是做。

　　199. Divided we fall , united we conquer . This does not mean that conquest is the goat , but instead that unified efforts yield positive results .

　　分离就会垮台，团结就能征服。这不是说征服是目的，而是说团结一致的努力会产生积极的结果。

　　200. Historically speaking , our ancestors placed great emphasis on filial piety .

　　历史上，我们的祖先很重视孝顺。

　　(责任编辑：田学江)