{"type":"rich","version":"1.0","description":"正式商務書信與同事口語","title":"商務英語語域分類","width":720,"html":"<iframe src=\"https://arcade.padlet.com/embed/nlp8EwveKX\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","height":480,"provider_name":"Padlet Arcade","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1786988223698&hashid=nlp8EwveKX","provider_url":"https://arcade.padlet.com"}