国家正值国泰民安、繁荣昌盛的时期。

The country is enjoying a period of peace and prosperity.

《牛津词典》

那些自然资源丰富的国家应学会发挥这种潜在的优势，让国家繁荣昌盛。

Countries that are abundant in natural resources should know how to turn this potential advantage into prosperity.

youdao

没有人会质疑科学研究对于一个国家的繁荣昌盛和安全稳定是必不可少的。

Everybody agrees that scientific research is indispensable to the nation's health, prosperity, and security.

youdao