I'm sorry to tell you a bad news that i loss your electronic dictionary.i'm so sorry.Yesterday,i went to the library to search some information about my paper，but when i got home,i found the electronic dictionary was missed.I thought i must i lost in the library. Than i called the librarian immediately to ask for help.She said she will give me the answer three days later.Please don't worry.If she cannot find it,i will make up for you a new one.And i apologies again, please forgive me. 信的格式你自己看着办吧