Because estimates were imprecise and overlooked the potential for unforeseen future needs, many had to be reconstructed not long after they were built. This resulted in much time and money being wasted.
結果反而因評估不夠細緻、資料建立不周、忽略成長中不可預測的變數等，往往落成不久又必須再做改造，徒然浪費了金錢與時間。