188. If you want to achieve something or intend to fulfill one of your ambitions, you must work hard, make efforts and get prepared. Otherwise, you will take no advantage of opportunities when they come to visit you.
假如你要取得成就或要实现你的雄心壮志，你必须努力工作、艰苦奋斗、准备好条件。否则，机遇来临你却无法利用。 189. The difference between a man who succeeds and one who does not lies only in the way each treats opportunities. The successful person always makes adequate preparations to meet opportunities as they duly arrive. The unsuccessful person, on the other hand, works little and just waits to see pass by.
成功者与失败者的区别在于处理机遇的态度。成功者做好充分准备迎接机遇的适时来临。而失败者工作懒散，眼看机遇悄然而过。
190. In my opinion, there are plenty of opportunities for everyone in our society, but only those who are prepared adequately and qualified highly can make use of them to achieve purpose.
我的观点是：在我们的社会里，人人都有许多机遇，但是只有那些做好充分准备并且高度称职的人才能利用机遇达到目的。
191. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions.
人类学家已经发现，恐惧，快乐，悲伤和惊奇都会行之于色，这在全人类是共通的。
192. The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse.
一个地方的人口越多，对其水。交通和垃圾处理的需求就会越大。
193. Long before children are able to speak or understand a language, they communicate through facial expressions and by making noises.
儿童在能说或能听懂语言之前，很久就会通过面部表情和靠发出噪声来与人交流了。
194. Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence.
父母的教导如果坚定，理性，始终如一，孩子就有可能充满自信。