公益性告示(也叫公益广告),在公共场所随处可见,成为社会生活中一道司空见惯的人文景观。它的作用在于告诉和提醒人们该做什么并怎样去做。所以,如何提高其文化含量,让人们从中受到思想熏陶而乐于接受,进而自觉地遵循恪守,个中确有许多值得学习的东西。用语有“礼”抑或无“礼”,是公益 Public notices (also known as public service ads), can be seen everywhere in public places, become a common cultural landscape of human life. Its role is to tell and remind people what to do and how to do it. Therefore, how to improve its cultural content so that people can be embraced by ideas and be willing to accept it, and then consciously abide by it? There are indeed many things worth learning. The term “courtesy” or no “courtesy” is public welfare