He has come to be recognized as an expert in the problem of overpopulation and food supply.
由于他的經驗促使他終于成為了公認的人口過剩和食物供應問題的專家。
For men accustomed to eating seven-course dinners and sleeping between fine linen sheets at home, the change to the Alps must have very hard indeed.
對于過慣了一頓飯吃7道菜、睡亞麻細布床單的人來說,變換一下生活環境來到阿爾卑斯山山區,那一定是很艱難的。