本帖最後由 rockypath 於 2010-1-16 11:42 編輯
in Hk:
1. The area covered is small, so as for the construction cost
2. The high usage daily
3. The open-bidding system for the contractors
...
somewhereintime 發表於 2010-1-16 09:12 
Singapore has all these condictions but it is not profitable. The main reason for HK's system to be profitable is not because of thse condictions. Of course, these conditions have major contribution as well. |