or it comes out of a nuclear power plant,

核电厂排放的废液或者
a radionuclide goes up into the air?

放射性元素会进入空气中会有什么后果
What happens to that?

会发生什么后果呢
To figure that out is extremely expensive.

做这些研究是非常昂贵的
And in society with respect to air pollution law, chemical law,

研究空气污染法化学品管理法
even endangered species management, understanding how many individuals

甚至濒危物种管理统计现存的
of both sexes of endangered mammals exist,

濒危哺乳动物雄性和雌性分别有多少
where they are, what their reproductive rate is,

主要分布在哪儿生育率多少
that takes intensive monitoring.

都需要密切的监测
So when these laws are passed, if the government does not

所以即使颁布了法律如果政府不能
set up a really effective and efficient

建设真正有效的
monitoring and surveillance program,

监测和监视体系的话