Problems associated with using infant formula and feeding bottles are exacerbated in a displaced population situation.

在流落异地的灾民人群中,使用婴儿配方食品以及用奶瓶喂养带来的问题会更为恶化.

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There must be a continuing reassessment in light of the world population situation.

这种服务的力度必须按照世界人口形势不断地做出新的评估.

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