但有一点十分清楚：那就是身为一个物种，我们必须认真思考对人以外的动物种群的影响，进而更好地制定我们的经济和环境政策。
But one thing is clear: we, as a species, need to think more carefully about our impact on the nonhuman animal population and begin to take better account of these effects in our economic and environmental policies.