User talk:Rogerluo18

May 2010
Welcome to Wikipedia. Although everyone is welcome to contribute to Wikipedia, at least one of your recent edits, such as the one you made to Edmond Halley, did not appear to be constructive and has been reverted or removed. Please use the sandbox for any test edits you would like to make, and read the welcome page to learn more about contributing constructively to this encyclopedia. Thank you. Danger (talk) 07:02, 26 May 2010 (UTC)

September 2010
Please refrain from making unconstructive edits to Wikipedia, as you did at 2010 All-Australian team. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Thank you. Jenks24 (talk) 14:45, 23 September 2010 (UTC)