题目内容：
根据以下材料，回答题Directions:
ReadthefollowingtextcarefullyandthentranslatetheunderlinedsegmentsintoChinese.WriteyourtranslationclearlyonANSWERSHEET2.
Ecologicaleconomicsrecognizesthathumansandtheireconomiesarepartsoflargernaturale-cosystemsandco-evolvewiththosenaturalsystems.61)Thereisamaterialandenergybasisfortherelationsbetweenhumaneconomiesandtheirecosystems,definingnotonlyeconomic,butsocial,structuresand
processes.Economiespossessgeneralecosystemproperties,suchasdynamism,evolution,integrity,stabilityandsustenance.Economiesareembeddedinlargernaturalecosys-tems,andexchangeflowsofmaterialsandenergywithnaturalsystems.
62)Whatmakeshumansandtheireconomiesuniqueasasub-ecosystemistheirability,throughwillfuleffort,ignoranceandhumandesignedtools,todramaticallyrestuctureandreformprocessesinecosystemsofwhichtheyareapart;Theabilityistosucha
magnitudethathumanwelfarecanbediminishedorenhancedbythoseoriginalactions.Sometypesofeconomicactivi-ties,andthewelfarethatoriginatesfromthem,wouldnotbesustainableiftheysubstantiallyad-verselyimpactnaturalsystems.
63)Thewillfulefforttoextractusefulthingsfromnaturalsystemsismotivatedbythesatisfac-tionofbasicbiologicalneedsandtheseeminglylimitlesssearchforpleasurethroughconsumptionofgoodsandthroughsocialassociations.Themagnitudeofpotentialimpactontheirown
welfarethrougheffectsonnaturalsystemsrequiresthathumandecisionsbeguidedbysomenotionofthe
valueoftheiractionsandthevalueoftheirimpactsonecosystems,eitherintermsofbenefitsofuseorcostsofabuse.Someconceptofvalueisrequiredforrationalactivitiesofhuman
economieswithintheirnaturalsystems.
Boththestructuresandprocessesofnaturalsystemshaveidentifiableinstrumentalvaluetothehumaneconomy.Thesenarrowusevaluesmaybereflectedbythesummationofindividualvalues,to
theextenttheyareprivate.However,naturalsystemsalsohaveaesthetic,moralandculturalvalues.Thesevaluesaremoreintrinsicandunmeasurableusingtraditionalhumanpreferences.
64)Valuationismademorecomplicatedbythefactthatournaturalenvironmentishighlylikelytoshapevaluesthroughestablishingsocialandeconomicrelations,aestheticstandardsandculture.
Ifso,ourdecisionsnowaboutthenaturalenvironmentwillshapefurorevaluesystems,makingvalues.endogenousand,therefore,apoorguidetobehavior.65)Awayoutofthisdilemmaistomake
valuationsofnaturalsystemsbasedon"Whatwewouldliketoseesocietybecome"ratherthantoaskwhatcurrentvaluationsare.Thevalueofnaturalsystemsisthenbasedontheirabilitytoassist
usinbecomingwhatwewishtobe.
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