青云翻译

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English is a difficult to understand a subject, as long as careful, and there would be no problem to learn it by heart.

English is a discipline which difficult to understand, so long as careful to generation, with attentively studies it not to be able to have the question.

English is a difficult language carefully disciplines, as long as the intentions of the younger generation, and to learn it would have no problem.

English is a difficult to understand a subject, as long as careful, and there would be no problem to learn it by heart.