??????

?????????云???睿???继???续???翻???笔???记???本???，???浏???览???过???一???遍???之???后???，???两???人??????的???意???面???也???端???上???来???了???。

?????????“???偶???数???集???是???自???然???数???集???的???真??????集???，???所???以???你???会???觉???得???b???较???小???。???但???其???实???两???个???无???限???集???可???以???建???立???一???一???对???应???的???关???系???，???那???么???就???是???一???样???大???的???。???”

?????????“???嗯???—???—???这???个???还???没???教???，???不???过???可???以???先???跟???你?????明???。???”

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?????????两???人???坐???在???学???校???外???的???餐???馆???里???，???云???睿???翻???着???她???的???笔???记???本???：???“???自???然???数???集???和???奇???数???集???、???偶???数???集???是???一???样???大???的???。???”

?????????他???那???一???份???还???有???带???血???丝???的??????排???，???让???毕???远???岚???莫???名???觉???得???这???也???是???一??????挑???衅???—???—???她??????的???全???熟???。

?????????“???唔???…???…???”???有??????懂???，???但???不???完???全???懂???。

?????????“???哦???。???”

?????????最???近???实???在???是???被???云???睿???的???作???业???折???磨???得???生???不???如???Si???，???再???加???上???社???团???活???动???什???么???的???，???她???甚???至???没???时???间???去???剪??????发???，???要?????????还???得???选???在???午???餐???时???间???。

?????????并???且???这???人???以???她???犯???困???了???会???走???不???好???路???为???由???，???开???车???带???她???到???宿???舍

?????????当???课???代???表???就???得???隔???三???差???五???跟???云???睿?????话???，??????作???业???还???可???以???线???上???，???但???收???集???疑???问???反???馈???给???他???，???就???只???能???当???面???了???。

?????????周???围???三???三???两???两???坐???着???本???校???的???学???生???，???只???要???扫???一??????就???知??????，???有???不???少???学???生???在???跟???自???己???的???导???师???吃???饭?????????，???所???以???他???们???两???人???也???不???算???显??????。

??好???，???每???一???年???他???教???的???班???平???均???分???都???能???b???其???他???班??????十???分???。???选???他???的???学???生???大???多???是Alpha???—???—???没???准???是???沾???了???聪???明???学???生???的???光???呢???。

?????????“???吃???完???饭???大???脑???会???缺???氧???，???不???适???合???再???想???了???。???”

?????????“???可???以???了???，???下???次???上???课???的???时???候???我???会???详???细???讲???。???”???云???睿???将???本??????递???给???她???，???毕???远???岚???接???过???时???眉??????还??????拧???着???。

?????????“???一???样???大???？???”???毕???远???岚???屈???起???指??????卷???着???发???尾???，???她???的??????发???长???得???快???，???暑???假???刚???开???始???只???是???到???下??????，???现???在???都???快???及???肩???了???。