The very materials are harsh and difficult to understand, and there are too many new strange vocabulary which of portion of them even can not be translated by digital translate applications, whilst the content of those one are not associatedly between their sentences. However, hard to acquire d
The very materials are harsh and difficult to understand, and there are too many new strange vocabulary which of portion of them even can not be translated by digital translate applications, whilst the content of those one are not associatedly between their sentences. However, hard to acquire d