估定承保的风险永远不会成为一门精确的科学。

Assessing insurance risk can never be an exact science.

《牛津词典》

测量排放并不是一门精确的科学，尤其是涉及到土地使用的问题。

Measuring emissions is not a precise science, particularly when it comes to issues surrounding land use.

youdao

对排放量的测量并不是一门精确的科学，尤其是涉及到土地使用问题时。

Measuring emissions is not a precise science, particularly when it comes to issuing surrounding land use.

youdao