为什么狼在团队合作上比狗狗更胜一筹呢?
<p><span word="If">If</span> <span word="you">you</span> <span word="need">need</span> <span word="help">help</span> <span word="herding">herding</span> <span word="some">some</span> <span word="sheep">sheep</span> <span word="or">or</span> <span word="retrieving">retrieving</span> <span word="a">a</span> <span word="stick">stick</span>, <span word="you">you</span> <span word="can">can</span> <span word="count">count</span> <span word="on">on</span> <span word="your">your</span> <span word="canine">canine</span> <span word="companion">companion</span>. <span word="Because">Because</span> <span word="dogs">dogs</span> <span word="always">always</span> <span word="seem">seem</span> <span word="to">to</span> <span word="be">be</span> <span word="keen">keen</span> <span word="on">on</span> <span word="lending">lending</span> <span word="a">a</span> <span word="paw">paw</span>.</p><p>如果你需要放羊或者捡回个棍子，你可以让狗狗去做这些事情。因为狗狗非常喜欢帮助你。</p><p><span word="But">But</span> <span word="only">only</span> <span word="if">if</span> <span word="their">their</span> <span word="partner">partner</span> <span word="is">is</span> <span word="a">a</span> <span word="person">person</span>. <span word="When">When</span> <span word="it">it</span> <span word="comes">comes</span> <span word="to">to</span> <span word="cooperating">cooperating</span> <span word="with">with</span> <span word="one">one</span> <span word="another">another</span>, <span word="dogs">dogs</span> <span word="are">are</span> <span word="truly">truly</span> <span word="lost">lost</span>…<span word="and">and</span> <span word="instead">instead</span> <span word="it">it</span>'<span word="s">s</span> <span word="wolves">wolves</span> <span word="who">who</span>'<span word="ve">ve</span> <span word="mastered">mastered</span> <span word="the">the</span> <span word="art">art</span> <span word="of">of</span> <span word="teamwork">teamwork</span>. <span word="That">That</span>'<span word="s">s</span> <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="study">study</span> <span word="in">in</span> <span word="the">the</span> <span word="Proceedings">Proceedings</span> <span word="of">of</span> <span word="the">the</span> <span word="National">National</span> <span word="Academy">Academy</span> <span word="of">of</span> <span word="Sciences">Sciences</span>.</p><p>但是，前提条件是狗狗的合作对象是人，如果是和别的什么合作的话，狗狗会不知所措……而相反，狼却有团队合作的精神。这是发表在《美国科学院论文集》杂志上的一项研究指出的。</p><p><span word="For">For</span> <span word="thousands">thousands</span> <span word="of">of</span> <span word="years">years</span>, <span word="humans">humans</span> <span word="have">have</span> <span word="been">been</span> <span word="breeding">breeding</span> <span word="dogs">dogs</span> <span word="that">that</span> <span word="can">can</span> <span word="do">do</span> <span word="all">all</span> <span word="sorts">sorts</span> <span word="of">of</span> <span word="neat">neat</span> <span word="tricks">tricks</span>. <span word="And">And</span> <span word="because">because</span> <span word="pups">pups</span> <span word="aim">aim</span> <span word="to">to</span> <span word="please">please</span>, <span word="we">we</span>'<span word="ve">ve</span> <span word="come">come</span> <span word="to">to</span> <span word="think">think</span> <span word="that">that</span> <span word="domestication">domestication</span> <span word="has">has</span> <span word="somehow">somehow</span> <span word="boosted">boosted</span> <span word="dogs">dogs</span>' <span word="powers">powers</span> <span word="of">of</span> <span word="cooperation">cooperation</span>.</p><p>数千年以来，人类一直饲养可以掌握各种技能的狗狗。因为，小狗狗的目的是取悦人类，所以，我们认为驯化狗狗可以提高狗狗的合作能力。</p>
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