Genetic mutations and environmental pressures skew symmetry, and the results have lifelong implications. 基因变异和环境压力破坏了对称,其结果意义深远。
Porritt, who has two children, intends to persuade environmental pressure groups to make population a focus of campaigning. 普罗特他自己有两个孩子,他打算说服环境压力团体把人口问题作为竞选的一个主要问题。