确切数量目前尚不能确定。
在特鲁维亚，目前每年生产的大米数量刚好能满足国内需求。
In Teruvia, the quantity of rice produced per year is currently just large enough to satisfy domestic demand.
世界卫生组织表示，目前发展中国家体重超标的儿童数量急剧增加。
The World Health Organization says there has been a sharp increase in the number of children in developing countries who weigh too much.
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