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【Leisure chat】Invention
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What inventions in recent 100 years give you the most impression? Can you talk about the reasons? You can say the different ideas in different domains. Don't always say the internet. There must be the other inventions make our life unusual. Can you share your thoughts with us? |
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tianyaren8078
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2楼2010-04-23 18:28:16
liconglin970410
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3楼2010-04-23 19:55:20
4楼2010-04-24 08:18:26