160.Thereisnodenyingthatambienttemperatures(環(huán)境溫度)havechangedinthepastfewdecades.譯文 不可否認(rèn),在過去的幾十年內(nèi),我們周圍的溫... [查看全文]
159.Askanyonewhythereisanobesityepidemicandtheywilltellyouthatit'salldowntoeatingtoomuchandburningtoofewcalories.譯文 隨便問... [查看全文]
159.Askanyonewhythereisanobesityepidemicandtheywilltellyouthatit'salldowntoeatingtoomuchandburningtoofewcalories.譯文 隨便問... [查看全文]
158.Inkeepingwiththeautomotiveworld'shottestconsumertrend,maybeit'sbesttocharacterizeitasahybrid(混合動力汽車):anexpensive... [查看全文]
157.Aswithautomobiles,consumersintoday'scollegemarketplacehavevastchoices,andpeoplesearchfortheonethatgivesthemthemostcomforta... [查看全文]
156.A2008studybytwoHarvardeconomistsnotesthatthe"labor-marketpremiumtoskill"—ortheamountcollegegraduatesearnedthat'sgreaterth... [查看全文]
155.Buteconomistssayfamiliesabouttogointodebttofundfouryearsofpartying,aswellasstudying,canconsolethemselveswiththeknowledgethatco... [查看全文]
154.Ofcourse,likeeveryotherenvironmentalissuetoday,thisisplayingoutagainstthebackgroundofglobalwarmingandhumaninterferencewithnatu... [查看全文]
153.Trawlers(whichdraglargenetsthroughthewaterandalongtheoceanfloor)andlonglinefishers(whichcandeploythousandsofhooksonlinesthatca... [查看全文]
152.ButNatureisindifferenttohumannotionsoffairness,andareportbytheFishandWildlifeServiceshowedaworrisomedropinthepopulationsofseve... [查看全文]