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。
We live in dread not only of unpleasant insects like spiders or wasps, but of quite harmless one like moths.
我们在日常生活中,不但憎恶如蜘蛛、黄蜂之类令人讨厌的昆虫,而且憎恶并无大害的飞蛾等。