TheUnitedNationsEnvironmentProgram(UNEP)says200millionA...
问题详情：TheUnitedNationsEnvironmentProgram(UNEP)says200millionAfricansgotosleephungry,thatnumberrepresents23percentofthepopulationonthecontinent.AnewUNstudyshowsthateightoutoftencountriesfacingthewors...