My name is Li Hua. I know you are recruiting some new blood for your association. I am willing to join you and become a member of your team to serve the Children's Hospital in summer vacation. It will be a meaningful voluntary activity. There are several reasons make me qualified for your association. I am a warmhearted person with great passion. Also I have many experience working as a volunteer before. Most of all, I attach great importance to the sense of responsibility and team spirit. I would appreciate it and be honored if you offer me that chance. Please contact me at Tel:123456 Yours faithfully Li Hua 凑活凑活吧~~