IStockphoto is both an online community for photographers and a source of high quality, low-cost stock photos.
iStockphoto既是摄影师们的在线社区，也是高质低价的库存图片的出处。
Ms. Rousseff promised to build millions of low-income homes, expand a community-policing program pioneered in Rio de Janeiro, and substantially improve the quality of education and public health care.
罗赛芙承诺建造几百万套低收入房子，扩大先期在里约热内卢试点的社区警力计划并稳步提高教育质量和公共健康医疗。
However, due to various reasons, the relatively low quality of the community medical staff cannot fully meet the duty they hold.
但由于种种原因，目前社区医务人员的素质与其承担的职责相比还有一定差距。
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