This activity is also available in English. View activity 與廣告受眾再次互動 By Facebook Blueprint Published: May 30, 2019 Duration 5m Difficulty Beginner Log In To Launch 如何觸及曾和您企業商家互動的用戶?瞭解自訂廣告受眾工具如何幫助您與用戶再次互動。