December 2009 change
Welcome to Wikipedia. Everyone is welcome to make useful changes to Wikipedia. However, at least one of your changes, such as the one you made to "Natural resource", did not appear to be useful and has been automatically reverted by GoblinBot4. If you want to try out changing Wikipedia to learn more about how it works, please use the sandbox. Thank you.
Bad warning? Please report it here then remove this warning. --GoblinBot4 (talk) 16:46, 30 December 2009 (UTC)
Please do not make unhelpful changes to Wikipedia, like you did to Natural resource. The changes you made seem to be vandalism and have been removed. If you want to try changing Wikipedia to learn more about how it works, please use the sandbox. Thank you. ···Katerenka (討論) 16:49, 30 December 2009 (UTC)
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