【摘 要】
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One old man was sitting with his 25-year-old son in the train. Train was about to leave the station. All passengers were settling down on their seats.As train s
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One old man was sitting with his 25-year-old son in the train. Train was about to leave the station. All passengers were settling down on their seats.As train started, the young man was filled with joy and curiosity. He was sitting on the window side. He
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