Now, however, there has been excessive development of the land and the areas available for water to collect in have shrunk in size. As a result, 500 millimeters of rain results in flooding.
今天集水區減少、過度開發，下五百公釐都會淹掉，與防洪頻率有何關係？」吳明進語調緩慢卻堅定。