The care of the environment is of prime importance.

保护环境是最重要的。

《牛津词典》

When considering the drawbacks, perhaps pollution is of prime importance.

考虑到缺点时，也许污染是最重要的。

youdao

What was said was of prime importance.

说过的那件事是很重要的。

youdao

The position of the United States is critical to any Israeli decision to attack Iran, and is of prime importance in shaping Israeli public opinion on the issue.

BBC: Iran crisis: Would Israel launch an attack?

Dr. Billal has pioneered establishment of a number of institutions including the ISESCO Center for Promotion of Scientific Research (ICPSR), Islamic Citation Centre (ISC), Islamic Body on Ethics of Science and Technology (IBEST), Islamic Network of Women Scientists (INWS) and launched a number of projects and strategies of prime importance for the promotion of science and technology in the Islamic World.

UNESCO: Education

Only 19% of people consider Parliament one of the three most influential institutions in their life, down from 30% in 2004, and the importance of the prime minister is rated even lower.

ECONOMIST: A briefing on the British election