The purpose to be achieved by using a special translation method (for example, in order to explain the special part of the grammatical structure in a certain language, the literal translation method is adopted according to its structure).
The purpose to be achieved by using a particular means of translation (e.g., to illustrate the particularity of the grammatical structure in a language is to translate directly according to its structure).
The purpose of using a special translation method (such as literal translation according to the grammatical structure in order to explain the particularity of a certain language).<br>