英语翻译
Inthetimeittakesyoutoreadthissentence,thepopulationoftheworldwillhavegrownbytenpeople.Thatmaynotsoundmuch,butitis9,000peopleinanhour,1.5millionaweek,or79millionayear.ThatisthesameasaddingmostofthepopulationofGermanytotheworldeveryyear.Mostofthesenewpeoplewerebornindevelopingcountries.ThesecountriesarefoundinmuchofAfrica,SouthAmericaandpartsofAsia.InthedevelopedcountriesofEuropeandNorthAmerica,thepopulationisgrowingveryslowly.Thisisbecausewomeninthesecountrieshave,onaverage,onlyoneortwochildren.Inthedevelopingcountries,manywomenhavefiveormorechildren.In1950,aroundonequarteroftheworld'spopulationlivedinthedevelopedcountries.By2050,thesecountrieswillbehometoonlyaroundonetenthoftheworld'speople.Inthedevelopingcountries,morethanonebillionpeoplealreadylivebelowthepoverty(贫困)line.Thesepeopledonothaveenoughfoodtoeatandtheyliveinpoorhousing;childrengetlittleornotimeatschoolandpeoplesuffer(遭受痛苦)frommanykindsofdiseases.Atthebeginningofthe21stcentury,theworld'spopulationwasaroundsixbillionpeople.TheUNhassaidthattheworld'spopulationwillleveloffat12.5billionpeoplebytheyear2100.Othergroupsthinktheworld'spopulationwillcontinuetogrow,reaching14billionpeoplebeforeitbecomesstable(稳定的),orevenfalls.