您要查找的是不是：
- United Nations Working Group on Comparative Analysis of World Fertility Survey Data; 联合国世界生育率调查数据比较分析工作组;
- Minimum Research Programme for Comparative Analysis of World Fertility Survey Data; 世界生育率调查数据比较分析最低研究方案;
- World Fertility Survey Project 世界生育调查计划
- world fertility survey 世界生育率调查
- world fertility survey WFS 世界生育率调查
- WFS [World Fertility Survey] 世界生育率调查会
- Given these facts, there is no cause for complacency even though we have entered a phase of declining world fertility. 尽管我们已经进入了一个世界人口出生率下降的阶段，但基于以上事实，我们仍无理由满足于现状。
- In the decade of the 1980s the decline in world fertility will continue noticeably. 在本世纪80年代的10年中，世界人口出生率将继续大大下降。
- In only the past twenty years or so world fertility has dropped by 1.5 births per woman. 仅在过去的二十年左右时间里，世界人口出生率每个妇女已降低了1.;5个。
- She is one of the best hurdlers in the world. 她是世界上最优秀的跨栏选手之一。
- The situation poses a grave threat to world peace. 这局势对世界和平构成了严重的威胁。
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- The slide cut off the valley from the rest of the world. 山崩切断了这个山谷与外界的联系。
- There is a map of the world on the wall. 墙上有张世界地图。
- I wouldn't sell that picture for all the world. 我无论如何也不卖那幅画。
- He wanted to tell the news to the world. 他要把这件事告诉每一个人。
- Radio Beijing sends the news all over the world. 北京广播电台向全世界播送新闻。
- Nothing in the world is flawless and perfect. 世上没有十全十美的东西。
- It is love that/which makes the world peaceful. 使世界和平的就是爱。
- We must aim for world peace in the long term. 我们要争取持久的世界和平。
