重点人口管理在实践中存在着许多普遍性问题，原因在于制度设计时未考虑经济因素。
There are many universal problems in the practice of the management of monitored population.
目前一项首要重点是防止病毒在该国人口密集的城市或城郊地区立足。
A top priority at present is to prevent the virus from establishing a foothold in densely populated urban or peri-urban parts of the country.
2002年世界粮食日的重点是水在确保向不断增长的世界人口提供可持续性的粮食资源中所发挥的至关重要的作用。
World food Day 2002 focused on the essential role water plays in ensuring sustainable food resources for a growing world population.
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