Andrew Eisner, Director of Community and Content, Retrevo, took issue with this - saying that user reviews are key, pointing to the expert reviews at Retrevo.

Retrevo的网络内容和社区经理安德鲁·艾斯纳提出的观点则是，用户的评论是关键的，对Retrevo的专家观点起到指示作用。

youdao

As Eisner speaks, Andrew corrects him, or adds salient details, demonstrating a key trait Eisner looks for: a mind obsessed with accuracy.

WSJ: The Unlikely Reformer | Innovator of the Year 2012 Education

On the afternoon I visit Eisner in the YES offices, Andrew, a skinny, reserved eighth grader, sits with us.

WSJ: The Unlikely Reformer | Innovator of the Year 2012 Education