如???Si???，???再???加???上???社???团???活???动???什???么???的???，???她???甚???至???没???时???间???去???剪???头???发???，???要???交???流???还???得???选???在???午???餐???时???间???。

?????????“???偶???数???集???是???自???然???数???集???的???真???子???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???。???”

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

??????

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

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

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

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

?????????“???哦???。???”

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

?????????“???唔???…???…???谢???谢???老???师???。???”???虽???然???别???扭???，???但???毕???远???岚???也???只???好???道???谢???。

?????????“???没???关???系???，???本???来???就???顺???路???。???”???云???睿???微???微???笑???着???，???从???扶???手???箱???里???拿???出???一???个???银???sE???的???小???盒???递???给???她???，???“???教???师???宿???舍???刚???好???在???前???面???。???”