Sarina Harper, a 19-year-old student at Virginia Tech, was faced with a tough dilemma when she first started college in 2015 — pay rent or pay to turn in her chemistry homework.

19岁的萨琳娜·哈珀是弗吉尼亚理工大学的一名学生。2015年，她刚开始上大学的时候，面临着一个两难的选择：要么交房租，要么花钱交化学作业。

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Sarina Harper, a 19-year-old student at Virginia Tech, was faced with a tough dilemma when she first started college in 2015—pay rent or pay to turn in her chemistry homework.

19岁的萨琳娜·哈珀是弗吉尼亚理工大学的一名学生。在2015年刚开始上大学的时候，她面临着一个两难的困境：要么交房租，要么花钱交化学作业。

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Simon Blackmore, who researches agricultural technology at Harper Adams University College in England believes that fleets of lightweight autonomous robots have the potential to solve this problem.

Simon Blackmore 在英国哈珀亚当斯大学研究农业技术，他认为轻型自主机器人有可能解决这个问题。

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