In translation studies, English abbreviations are usually followed by brackets to indicate the full English name before translation. In the following paragraphs, English abbreviations can be used instead.

English-Chinese translation is to translate English into Chinese. Translation is the process of transforming a relatively unfamiliar expression into a relatively familiar one. Its contents include language, characters, graphics, symbols and video translation. Among them, in A language and B language, "fan" refers to the conversion between the two languages, that is, first a sentence in A language is converted into a sentence in B language, and then a sentence in B language is converted into A language.