"Whatislove"wasthemostsearchedphraseonGooglein2012,accordingtothecompany.Inanattempttogettothebottomofthequestiononceandforall,theGuardianhasgatheredwritersfromthefieldsofscience,literature,religionandphilosophytogivetheirdefinitionofthemuch-ponderedword.

    “爱为何物”成了2012年谷歌最热门的搜索短语，跟据该公司。为了一劳永逸地弄清问题的真相，《卫报》聚集了来自科学、文学、宗教和哲学各领域的作家来给出他们对这个被思虑良多的单词的定义。

    Thephysicist:'Loveischemistry'

    Biologically,loveisapowerfulneurologicalconditionlikehungerorthirst,onlymorepermanent.Wetalkaboutlovebeingblindorunconditional,inthesensethatwehavenocontroloverit.Butthen,thatisnotsosurprisingsinceloveisbasicallychemistry.Whilelustisatemporarypassionate*ualdesireinvolvingtheincreasedreleaseofchemicalssuchastestosteroneandoestrogen,intruelove,orattachmentandbonding,thebraincanreleaseawholesetofchemicals:pheromones,dopamine,norepinephrine,serotonin,oxytocinandvasopressin.However,fromanevolutionaryperspective,lovecanbeviewedasasurvivaltool–amechani*wehaveevolvedtopromotelong-termrelationships,mutualdefenseandparentalsupportofchildrenandtopromotefeelingsofsafetyandsecurity.

    物理学家：“爱是化学反应”

    生理上，爱情是一种像饥饿和干渴一样的强大神经反射，只是更持久。我们说爱情盲目或无缘由，在某种意义上我们无法控制它。但这并不令人惊讶既然爱情基本上是化学反应。虽然欲望是一种临时的激情的性渴望，涉及到在真爱或依赖关系中化学物质如睾丸激素和雌激素的释放增加，大脑会释放出一系列化学物质：信息素、多巴胺、去甲肾上腺素、血清素、催产素和垂体后叶加压素。然而，从进化的角度来看，爱情可被视为一种生存工具——我们已经形成的一种机制，为的是促进长期关系，共同防御和抚养孩子以及提升安全感。

    Thephilosopher:'Loveisapassionatecommitment'

    Theanswerremainselusiveinpartbecauseloveisnotonething.Loveforparents,partners,children,country,neighbor,Godandsoonallhavedifferentqualities.Eachhasitsvariants–blind,one--->>

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