we prefer concrete: Ten years of experience, ten years of lessons. When the WCB first discovered coastal problems in the 1970s, they began to send people abroad to study and to learn new methods for controlling the sea. Hsu Shih-hsiung was a member of the first group to go.
十年經驗，十年教訓，七○年代水利局發現海岸問題叢生，開始有人出國學習、接受新的治海方法，許時雄就是第一批成員之一。