This activity is also available in English. View activity 对话关键要素 By Facebook Blueprint Published: Jul 14, 2019 Duration 5m Difficulty Intermediate Rating 1 star 2 stars 3 stars 4 stars 5 stars Average rating: 0 0 No reviews Favorites Add Activity to Favorites E-learning Course Started on December 30, 2024. Log In To Launch 令人印象深刻的 Messenger 对话不仅包含了丰富的表达,而且清晰明了。了解有哪些因素让 Messenger 对话更具吸引力。