留言一般不用太复杂,主要要能看明白：
Message for Jack,from David:
1.I flyed from london this morning,visited the office you were not there.
2.can't wait cause I had a meeting with important clients.
3.have to fly back to London tomorrow afternoon,wondering if there's necessary to bring the sample to ABC Co.
4.current address:1209,Hiltion Hotel,Tel:87564220.