他在城市进化论“<a href="https://weibo.cn/sinaurl?u=http%3A%2F%2Fmp.weixin.qq.com%2Fs%3F__biz%3DMzg2MjA5Mjc0OA%3D%3D%26amp%3Bmid%3D2247548191%26amp%3Bidx%3D1%26amp%3Bsn%3D19e900213aa1b4eaf4dfa858d493040b%26amp%3Bchksm%3Dce0f51bcf978d8aad3d7b889a1862d792d1e2e97ac2bc47267f76b26d4e4c20fd6fa6f242f54%26amp%3Bscene%3D21%23wechat_redirect" target="_blank"><em>大家的城市公开课</em></a>”第二期上提到，“我觉得我们不需要让一个城市去抵御10万年一遇的洪水、暴雨、干旱，也不需要修到应对万年一遇的程度，能应对百年一遇就可以了。”

zhongguowaijiaobufayanrenmaoningshuo，disanjie“yidaiyilu”guojihezuogaofengluntanjiangyujinnianjuxing，womenjiucitong“yidaiyilu”dehezuohuobandoubaochizhegoutong，guanyunitidaodejutifangwen，muqianwomeiyoukeyitigongdexinxi。中(zhong)国(guo)外(wai)交(jiao)部(bu)发(fa)言(yan)人(ren)毛(mao)宁(ning)说(shuo)，(，)第(di)三(san)届(jie)“(“)一(yi)带(dai)一(yi)路(lu)”(”)国(guo)际(ji)合(he)作(zuo)高(gao)峰(feng)论(lun)坛(tan)将(jiang)于(yu)今(jin)年(nian)举(ju)行(xing)，(，)我(wo)们(men)就(jiu)此(ci)同(tong)“(“)一(yi)带(dai)一(yi)路(lu)”(”)的(de)合(he)作(zuo)伙(huo)伴(ban)都(dou)保(bao)持(chi)着(zhe)沟(gou)通(tong)，(，)关(guan)于(yu)你(ni)提(ti)到(dao)的(de)具(ju)体(ti)访(fang)问(wen)，(，)目(mu)前(qian)我(wo)没(mei)有(you)可(ke)以(yi)提(ti)供(gong)的(de)信(xin)息(xi)。(。)