Fourth, an infrastructure for environmental protection entails enormous costs. The current cost of constructing the sanitary sewerage system, for example, is estimated by experts at around NT $ 15,000 per person.
第四、環境保護的基本建設，是需要龐大的經費的，以衛生下水道為例，據專家的估計，現在的建設經費，大約每一人口需要一萬五千元。