望梅止渴 https://www.youtube.com/watch?v=5XZ9yAcKOrA&list=PLl-MS2zMZDrMxYh58JlLwXKNWKZuBQPMl&index=9
掩耳盜鈴 https://www.youtube.com/watch?v=C7At2u23dNU&list=PLl-MS2zMZDrMxYh58JlLwXKNWKZuBQPMl&index=10
