I am a very busy person but I try to find time to go to concerts, which, I think, are an excellent outlet for our feelings.

outlet 由 out（向外）和 let（让、允许）组成，字面意思是"让...出去的地方"。引申为"发泄途径"或"宣泄口"，指情感或能量的释放渠道。在句中比喻音乐会作为情感宣泄的途径。