Dear CCF reader, We have taken high priority to consider your contribution for CCF publication. We would appreciate very much if you could revise the original contribution so that it could best convey your message to the China-Net readers. (include specific comments/hints for revision here) We are looking forward to your revised draft as soon as possible. Best regards, CCF Editor ccf-editor@ifcss.org >>>> attach the header and beginning of the article here <<<<<