By 1800, the monarchy had declined in importance. 到1800年时，君主制的重要性已经减弱。

+of The company recognizes the importance of training its employees. 该公司意识到培训员工的重要性。

+to The issue has special importance to people in rural areas. 这个问题对农村地区的居民有特殊的重要性。

stress/emphasize the importance of sth Research emphasizes the importance of exercise in reducing blood pressure. 研究强调了锻炼在降低血压方面的重要性。

attach importance to sth (=think that something is important) It shows the importance that this government attaches to education. 重视某事物

of great/crucial/paramount importance Customer satisfaction is of paramount importance to us. 顾客满意对我们来说是最为重要的。

of no/little importance I pretended I had forgotten the incident, as if it were of no importance. 我假装已经忘记了那件事，好像它不重要一样。