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As an applied text translator* of public signs, the support of translation theories are urgently needed as a guide to improve the quality of translations. The use of different translation theories from different perspectives in the study of public signs, it is undoubtedly to helps to improve the quality of translation. But, public signs are highly dependent on the context of the communication behavior. We believe that the research must be put into the context of intercultural communication, and we must consider the purpose of language audiences while also asking to take into account the use of public signs regarding environmental issues. so This will help to accurately grasp the basic attributes of publicity translation and the requirements of translation.

* I think you mean translator here, if you are referring to someone translating the signs.