![SouthAfricaistheAfricancontinent'smostadvancednation,ye...]( "SouthAfricaistheAfricancontinent'smostadvancednation,ye...")
- 问题详情：SouthAfricaistheAfricancontinent'smostadvancednation,yetitisreportedthat3millionofitsresidentslivewithoutelectricity.Manyofthemliveinremoteareas.InGwakwanithathasalwaysbeenasleepylittlevillage,electricityisavailable(可利用的)forthefirsttimei...
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