青云翻译

Chinese experts should update teaching materials, additional teaching materials and modern, practical and fun

Chinese experts should be timely updated content, increasing the sense of teaching material, practical and fun

The Chinese experts should renew the teaching material content promptly, increases the teaching material the modernity, the usability and interesting

Chinese experts should be timely to update the content of textbooks, teaching materials increased sense of the times, relevance and interesting

Chinese experts should be timely updated content, increasing the sense of teaching material, practical and fun