He has come to be recognized as an expert in the problem of overpopulation and food supply.
由于他的经验促使他终于成为了公认的人口过剩和食物供应问题的专家。
Four days after setting out, while the Titanic was sailing across the icy water of the North Atlantic,
“泰坦尼克”起航后的第4天,它正行驶在北大西洋冰冷的海面上。