再往远看，到下个世纪末，世界人口预期达到一百亿左右。
Looking still further ahead, by the end of the next century world population is expected to be about ten billion.
另一方面，世界人口正在增加。
世界人口继续增加，但在一些地区人口正在下降。
The population of the world continues to increase, but in some areas the population is falling.
随着世界人口的持续增长，粮食的供应问题越来越令人担忧。
As world's population continues to grow, the supply of food becomes more and more of a concern.
据估计，到2050年，世界人口将从如今的68亿增长到91亿。
The world's population is expected to grow from 6.8 billion today to 9.1 billion by 2050.
2008年，超过一半的世界人口居住在城镇中，这是有史以来的第一次。
In 2008, for the first time in human history, more than half the world's populations was living in towns and cities.
我们的垃圾问题不是新问题，但随着世界人口的持续增长，它将成为一个越来越大的问题。
Our garbage problem is not new, but as the world's population continues to grow, it will become a bigger and bigger problem.
到2000年，世界人口预计将达到70亿，但是科学家已经培育出了新的、更好的小麦、水稻和动物品种。
The world's population is expected to reach 7,000 million by the year 2000, but already scientists have produced new and better varieties of wheat and rice and animal.
到2020年，我们必须在2006年的基础上减少80%的碳排放，到2040年将世界人口稳定在80亿，彻底消除贫困，恢复森林和土壤。
We must cut carbon emissions by 80% from their 2006 levels by 2020, stabilize the world's population at eight billion by 2040, completely remove poverty, and restore forests and soils.
这几乎占世界人口的40%。
那大约是世界人口的一半！
这几乎是世界人口的五分之一。
袁为中国创造出了一个伟大奇迹——用世界不到9%的土地养活了近五分之一的世界人口。
Yuan helped China work a great wonder—feeding nearly one-fifth of the world's population with less than 9% of the world's total farmland,
到2050年养活全世界人口的任务看似很容易完成。
The task of feeding the world's population in 2050 seems easily possible.
中国是世界人口最多的国家，有11亿，约占世界总人口的四分之一。
China is the world's most populous country with a population of 1.1 billion, which makes up approximately a quarter of the world population.
它们代表80%以上的世界人口。
世界人口今年有望达到70亿。
The world's population is expected to reach seven billion people this year.
本月末，世界人口将达到70亿。
The world's population is set to reach seven billion by the end of the month.
目前，一半以上的世界人口居住在城市。
已经生产了足够的粮食供世界人口食用。
亚太地区人口占世界人口的60%以上。
The Asia-Pacific region accounts for over 60 percent of the world's population.
2050年，世界人口预计将达到90亿。
The world population is projected to reach over 9 billion by 2050.
80%的世界人口未得到适当的社会保护。
Eighty per cent of the world's people lack access to adequate social protection.
世界人口有可能下降。
几千年来，世界人口一直缓慢上升。
For thousands of years, the number of people in the world inched up.
其成功与否将取决于未来世界人口的绝大部分。
Upon their success or not will depend the future of huge sections of the world population.
现在大概有不到5%的世界人口仍属于贫困人群。
Probably no more than 5 per cent of the world's population now suffers this indignity.
现在大概有不到5%的世界人口仍属于贫困人群。
Probably no more than 5 per cent of the world's population now suffers this indignity.
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