- 问题详情:TheUnitedNationsEnvironmentProgram(UNEP)says200millionAfricansgotosleephungry,thatnumberrepresents23percentofthepopulationonthecontinent.AnewUNstudyshowsthateightoutoftencountriesfacingtheworstfoodshortageareinAfrica.RecentlyAfricanexperts,fa...
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