双语例句原声例句
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除此之外，还研究了成就目标和社会性目标的发展趋势。
Besides, the development of achievement goals and social goals are investigated.
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非洲能够获得饮用水的人口所占比重不到60%，仅有少数几个国家走上了实现千年发展目标的正规。
Less than 60 percent of Africa's population has access to drinking water and only a handful of countries are on track to reach the Millennium Development Goals.
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1990至2008年间，世界上使用改良饮用水源的人口比例从77%上升到87%。 这一比率表明，可以按计划实现全球千年发展目标的饮水具体目标。
The percentage of the world’s population using improved drinking-water sources increased from 77% to 87% between 1990 and 2008, a rate on track with meeting the global MDG drinking-water target.
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I want to say a little bit about the cost of vaccines because this is a part of what makes it difficult to accomplish what's usually our goal in a vaccine development, which is deliver the vaccine to every population in the world.
我想谈谈关于疫苗的成本,因为这是令我们的疫苗发展目标,无法得以实现的困难之一,这个目标就是将疫苗送至世界上每一个人
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