题目内容
The most important source of new-product ideas are:
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A detailed version of an idea stated in meaningful consumer terms is defined as:
The dimension of atmosphere relating to volume and pitch is called:
The Summer Palace was initially built by Emperor Qianlong as a gift for his mother on her birthday.
The three pits containing the terracotta army of Emperor Qinshihuang were all accidentally discovered by some farmers.
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