to mount that kind of legal expertise.

足够的法律知识去起诉
And don't forget this basic idea that probably ninety percent,

别忘了基本的一点大约百分之九十
even ninety-five percent of environmental science, of health science

甚至百分之九十五的环境学
relative to environmental quality,

健康学是与环境质量有关的
what sector does that go on in?

是哪个部门承担举证责任呢
It doesn't go on in the public sector;

不是政府工业与服务部门
it goes on in the private sector.

而是私有工业与服务部门
So that corporations that are very interested

那些追求盈利
in making a profit and selling goods and services,

并销售产品和提供服务的企业
they basically are doing their own internal risk assessments

他们内部实际上也在做
for what the effect might be on the environment or human health.

对环境和健康影响的风险评估
And those can never see the light of day.

但是这些评估是从来不会公布的