【導(dǎo)讀】Cities,Vol.20,No.3,p.205–216,2020. Allrightsreserved.0264-2751/03$-seefrontmatter. doi:(03)00014-3. Viewpoint. Improvementsand. ofSingapore. ofSingapore,4ArchitectureDrive,Singapore117566. Introduction. instance,inGreatBritain,theaggregate. Mackett(1994)suggeststhreemain. andAmpt,2020),andGardiner(1991). E-mail:. 205. mateChangein1994(Buttonetal.,Inrecentyears,sustainabledevelop-. itemsofgovernments,aswellas. researchers,acrosstheglobe(for. example,Mackett,1994;Quinn,1994;Barrett,1995;Jorgensen,1995;Cheung. andHoen,1996;Newman,1996;Spa-. ethling,1996;Gurneyetal,1998).choiceofmodes,aswellasafort-. able,convenient,reliable,andattractive