Hsu says: "Its not that one can't extract gravel, build reservoirs or use ground water at all; its just that we have shown no restraint in the way we have taken gravel from the river and water from the ground, believing it is there for mankind to take willy-nilly."
「不是不能採沙，不能建水庫，不能利用地下水，但在向河川要沙、向地層要水時，我們缺乏節制，以為它是任人予取予求的」，他說。