假如你是李华。去年夏天，你在一家国际中学生夏令营帮忙，收获颇多。今年，你想邀请你的好友Jane一起为夏令营工作。请你根据该夏令营的招聘广告及所给内容要点写一封信，说服Jane和你一同参加。开头已为你写好。（字数120词左右）   
 
Dear Jane ,
I have already told you about the job I did last summer in the International Camp for children , do you remember ? And this year they are looking for people for the same job so I …