送交者: Amsel 于 2009-08-26, 17:52:05:

回答: "——人口数量是渐变而不是突变"? for a city, this is not necessary the case. 由 steven 于 2009-08-26, 17:46:59:

• but the city population growth is the dominant factor of housing market. (无内容) - steven (0 bytes) 2009-08-26, 18:00:09 (359870)
  • come on, You said "People may move in and out of a city" - Amsel (191 bytes) 2009-08-26, 18:07:38 (359876)

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