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。
Fortunately, there is a 'uniquely rational way' for us to communicate with other intelligent beings,
幸运的是,有一种我们可以和其他智力生命通迅联系的"唯一合理的方法",