1. By having to sleep in the open, he gets far closer to the world of nature than most of us ever do.
    由于被迫在露天睡觉，他比我们中许多人都离大自然近得多。

2. By correlating markings made in various parts of the world, historians have been able to read this difficult code.
    历史学家通过把世界各地留下的这种痕迹放在一起研究，终于弄懂了这种费解的代码。

3. Bagrit dismissed the idea that computers would learn to ´think´ for themselves and would ´rule the world´,
    巴格瑞特根本不接受计算机可以学会自己去"思考"和计算可以"统治世界"这种想法，

4. But for ten years, while he continued to experiment with penicillin, his discovery was largely ignored by the medical world.
    以后的十年里，他继续做盘尼西林试验，但他的发现根本没有引起医学界的重视。

5. But the windowing custom is only one example of the surprising views of marriage that have existed around the world.
    但是爬窗这种风俗仅仅是世界上存在过的、让人感到吃惊的婚姻观点中的一个例子而已。

6. But in 1991, under pressure from environmentalists around the world, Brazil reversed course.
    但在1991年，在世界各地环境保护者的压力下，巴西彻底改弦更张。

7. Brazil is home to the world’s largest jungle rain forest, the Amazon.
    巴西是全世界最大的热带丛林 - 亚马逊雨林的生长地。

8. But in recent years, as environmental damage has increased, signs of change have sprung up in various pockets around the world.
    但近年来，随着环境损害的日益严重，世界各地已经出现了许多变化的迹象。

9. But these terms have always been just words, affecting someone else's world, like a passing ambulance.
    但是这些字眼一直只不过是些字眼而已，就像一辆驶过的救护车，影响的只是别人的世界,

10. By 1989, almost every nation on earth had established a program educating its people about AIDS, according to Jonathan Mann, director of the World Health Organization's (WHO) International Program on AIDS.
    据世界卫生组织国际艾滋病项目主任乔纳森·曼说，到1989年几乎每个国家都制订了对公民进行艾滋病教育的计划。