VOA慢速英语:Getting NGOs to Celebrate Failure, So They Can Learn From Others' Mistakes

例句：Recycling of rubbish costs money and requires special equipment.
      回收利用垃圾的造价很高, 又需要专用设备。

2.celebration n.庆祝

例句：The celebration of Christmas is a custom.
      庆祝圣诞节是一种习俗。

      The streets were illuminated for the celebration.
      街上张灯结彩准备庆祝。

3.finite adj.有限的, 有限度的

例句：Human understanding is finite.
      人的理解力是有限的。

4.endlessly adv.无穷地;继续地;永久地

例句：arguing endlessly about money
      为钱财问题无休止地争吵

5.attend vt.出席,参加;照顾,护理;伴随,陪伴

例句：I don't find any objection to your attending the lecture.
      我看不出您来听课有什么不可以的。

6.prevalence n.传播,流行,普及

7.sustainable a.足可支撑的,养得起的,可以忍受的,可持续的

8.lighthearted adj.轻松愉快的,无忧无虑的

例句：The children looked lighthearted now that the final exam was over.
      期终考试结束了,孩子们看上去都很轻松愉快。

9.tendency n.倾向, 趋势

例句：He has a tendency to forget things.
      他有忘事的倾向。

      Prices continue to show an upward tendency.
      物价呈继续上升的趋势。

10.highlight vt.强调, 突出, 使显著

例句：The President highlights the importance of his visit to China.
      总统强调访问中国的重要性。