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- 2021-1-17
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- 1970-1-1
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Day 1
1. The statement should based on some restrictions or same conditions, such as A and B are both fresh and goodlooking, and also selling at same price for same quantity.
2. Stengthen: Wind turbine has been proved to be the energy source which has least influence on environment. Or, all energy sources will casue environmental deterioration.
3. The reason might be gloves are also bad for rare books, maybe even worse than dirty things in their hands.
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