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。”

guoneishangyicizhongyaocaidejizhongzhangjia，dayuezai13nianqian，dangshidejizhongzhangjiayejianzhibeihoudetunjichaozuoxingwei。yidangcanweili。2009nianxiabannianzhi2011nian7yue，dangcanjiageyilushangzhang，cong2009nian8yuede9yuan/gongjinzuoyoushangzhangzhi2011nian6yuede90yuan/gongjinzuoyou。2011nian，guojiafagaiweihuitongyouguanbumen，duigansulongxidiqu20duogezhongyaocaicunchucangkuquanmianjianzha，faxianyou10hujingyingzhezai2010nian12yueqiantunjidangcan20duowangongjin，44hujingyingzhe2011nianzhihoucunyoudangcan80duowangongjin。国(guo)内(nei)上(shang)一(yi)次(ci)中(zhong)药(yao)材(cai)的(de)集(ji)中(zhong)涨(zhang)价(jia)，(，)大(da)约(yue)在(zai)1(1)3(3)年(nian)前(qian)，(，)当(dang)时(shi)的(de)集(ji)中(zhong)涨(zhang)价(jia)也(ye)剑(jian)指(zhi)背(bei)后(hou)的(de)囤(tun)积(ji)炒(chao)作(zuo)行(xing)为(wei)。(。)以(yi)党(dang)参(can)为(wei)例(li)。(。)2(2)009(9)年(nian)下(xia)半(ban)年(nian)至(zhi)2(2)01(1)1(1)年(nian)7(7)月(yue)，(，)党(dang)参(can)价(jia)格(ge)一(yi)路(lu)上(shang)涨(zhang)，(，)从(cong)2(2)009(9)年(nian)8(8)月(yue)的(de)9(9)元(yuan)/(/)公(gong)斤(jin)左(zuo)右(you)上(shang)涨(zhang)至(zhi)2(2)01(1)1(1)年(nian)6(6)月(yue)的(de)9(9)0元(yuan)/(/)公(gong)斤(jin)左(zuo)右(you)。(。)2(2)01(1)1(1)年(nian)，(，)国(guo)家(jia)发(fa)改(gai)委(wei)会(hui)同(tong)有(you)关(guan)部(bu)门(men)，(，)对(dui)甘(gan)肃(su)陇(long)西(xi)地(di)区(qu)2(2)0多(duo)个(ge)中(zhong)药(yao)材(cai)存(cun)储(chu)仓(cang)库(ku)全(quan)面(mian)检(jian)查(zha)，(，)发(fa)现(xian)有(you)1(1)0户(hu)经(jing)营(ying)者(zhe)在(zai)2(2)01(1)0年(nian)1(1)2(2)月(yue)前(qian)囤(tun)积(ji)党(dang)参(can)2(2)0多(duo)万(wan)公(gong)斤(jin)，(，)4(4)4(4)户(hu)经(jing)营(ying)者(zhe)2(2)01(1)1(1)年(nian)之(zhi)后(hou)存(cun)有(you)党(dang)参(can)8(8)0多(duo)万(wan)公(gong)斤(jin)。(。)