请修缮这段文字要求表达要清晰语法要准确。The above two requests for public service announcement do not use obvious signs such as please but the tone is also more euphemistic Use no to call on everyone to protect our regio

The two requests for public service announcements mentioned above do not include obvious phrases such as "please", but the tone is still polite. The use of the word 'no' is intended to urge everyone to protect our region and forests by avoiding indiscriminate tree chopping.