请详细点讲述外宣翻译的概念用英文回答

外宣翻译，即外交宣传翻译，是指将国家、政府、企业等机构的宣传材料、文化产品、新闻报道等内容，翻译成目标语言以进行对外宣传。其主要目的是推广国家、政府、企业等机构的形象和声誉，增进与外国人民之间的相互了解和友谊，促进经济、文化、科技等领域的交流和合作。

Translation of foreign publicity, also known as diplomatic and publicity translation, refers to the translation of promotional materials, cultural products, news reports and other contents of national governments, enterprises and other institutions into target languages for external publicity. Its main purpose is to promote the image and reputation of countries, governments, enterprises and other institutions, enhance mutual understanding and friendship between foreign peoples, and promote exchanges and cooperation in economic, cultural, scientific and technological fields.