美 
											[ɪm'pɔːrtns]
																
										
							the quality or state of being important
																																	"the importance of a well-balanced diet"
																															
																																	"a person of importance"
																															
It's of no importance...it doesn't matter in the least.
出自: D. H. Lawrence
The importance of the journey must be estimated by my dread of doing it.
出自: N. Mailer
误 The question is of minor importance with her.
正 The question is of minor importance to her.
析 be of importance to表示“对…是重要的”,是固定搭配,不能用介词with。