西华盛顿大学的杰伊·蒂奇曼说，这一数据背后可能有几方面的原因。

Jay Teachman, of Western Washington University, said there could be several reasons behind the statistic.

youdao

西华盛顿大学的杰伊·蒂奇曼说，这一数据背后可能有几方面的原因。

Jay Teachman, of Western Washington University, said there could be several reasons behind the statistic.

youdao