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By Naomi Schwarz Dakar 06 December 2006 Ndiaye Diop lifts her daughter over trash in Pikine, 17 Oct 2006 In the developing world's fast-growing cities, formal systems for managing garbage are sometimes insufficient. In Senegal's capital, Dakar, tras
发表于:2019-01-09 / 阅读(82) / 评论(0)
2006年VOA标准英语（十二月）
2006年VOA标准英语（十二月）