为了确保全世界的人口都有足够的食物维持生活，我们能做些什么？
What can be done to ensure enough food for the world's population to live on?
在2050年为全世界的人口生产足够的食物还是很简单的。
Producing enough food for the world's population in 2050 will be easy.
全世界的人口有近20%吸烟，以及数百万非吸烟者因这些烟雾而生病。
Nearly twenty percent of all people use tobacco, and millions of non-smokers get sick from breathing the smoke.
直到几千年前，全世界的人口还是微不足道，而且在每一代人之间，人们要长时间才有几个孩子。
Because evolution is a Numbers game.The worldwide human population was tiny until a few thousand years ago, and people have few children with long periods between each generation.
如果把构成地球人类的原子间所有空隙去除，那么仅仅一只苹果就可以容纳全世界的人口。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
如果把地球上构成每个人的原子中的真空都除去了，那么全世界的人口就能装进一个苹果里。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
如果把组成地球上人类身体的原子上的真空全部移除，全世界的人口就可以装进一只苹果里。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
我们希望每天能睡足8个小时，但相对于全世界的人口和我们本身的进化史来说，这并不正常。
We expect to sleep for eight solid hours, but that's actually not normal compared with global populations and our own evolutionary history.
假如可以把地球上构成每个人的原子中所有的空余空间移去，那么一个苹果即可容纳全世界的人口。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
如果你把地球上构成每个人的原子中的所有真空区都移除了，那么全世界的人口就可能装进一个苹果里。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
这种寄生虫感染了全世界将近三分之一的人口。
The parasite infects approximately one-third of the world's human population.
全世界几乎有一半的人口，每天仅靠2美元甚至更少来维持生活。
Nearly half the world's population lives on $2 per day or less.
十年内全世界将会有近500座城市的人口数量超过1百万。
Within ten years the world will have nearly 500 cities of more than 1m people.
据估计，全世界60%的人口利用传统医学保健治病，一些国家还将传统医学纳入其公共卫生系统。
Traditional medicines are estimated to be used by 60% of the world's population and in some countries are extensively incorporated into the public health system.
从2004年开始，在给定的年份中全世界因结核病而病倒的人口百分比不再增长，随后开始缓慢下降。
Beginning in 2004 the percentage of the world's population that became ill with TB in a given year flattened and then began a slow decline.
截至1900年，全世界已有13%的人口成为城市居民。
全世界大约有五亿最贫困的人口居住在脆弱国家。
Fragile states are home to about 500 million of the world's poorest people.
全世界有40%的人没有安装抽水马桶，有超过十亿的人口在敞地上排便。
Forty percent of the world's population lacks access to flush toilets, and more than a billion people defecate into the open.
目前全世界40%以上的人口，即20多亿人，面临缺水问题。
Presently, more than 40% of the world's population, more than 2 billion people, now face water shortage.
正如韦布在《流行》杂志上封面故事指出的，美国到目前为止是全世界犯罪最猖獗的国家，其占世界5 %的人口，而囚犯却有全世界的25 %。
As Webb pointed out in a cover story in Parade magazine, the U.S. is, by far, the most "criminal" country in the world, with 5% of the world's population and 25% of its prisoners.
小麦是世界上种植最广泛的作物，为全世界五分之一的人口提供口粮。
Wheat is the most widely planted crop in the world, providing a fifth of mankind's calories.
目前全世界三分之二的人口生活在标准线以下，因此他们尚不构成一个可育的市场。
Two-thirds of the world's people are still living under low standards, and because of that they do not yet constitute a viable market.
2008年8月18日—全世界有五分之二的人口用不上厕所，六分之一的人口用不上安全饮用水。
August 18, 2008-two out of five people worldwide lack access to a toilet. One out of six does not have access to safe drinking water.
每个国家的样本别设计用来做全国的典型，并代表全世界96%的人口。
The samples in each country were designed to be nationally representative and represent about 96 percent of the world's population.
每个国家的样本别设计用来做全国的典型，并代表全世界96%的人口。
The samples in each country were designed to be nationally representative and represent about 96 percent of the world's population.
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