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Post date	Users	Rates	Content
2016-06-05	n.niki	85	Check this topic
2015-09-23	saharpouya	95	Check this topic
2016-07-20	PK	75	Check this topic
2015-05-07	watermelon	70	Check this topic

Topic title: If you could invent something new, what product would you develop? Use specific details to explain why this invention is needed.

Topic category: Independent TOEFL Writing