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- Task four: Ss are asked to have further discussion on what the factors are that led to Brailles' success in inventing the system? What can they learn from his example? （這個任務是將討論引入了一個更高的層面：理想和現實。學生需要結合課文內容及更廣泛的語言來完成任務。最後的討論結果是開放式的，延續到課後。）
