但是泰德·莱格，英国艾克斯特大学的一个教育专家，提醒说，这种试验可能产生误导的结果。

But Ted Wragg, an expert in education at the UK's University of Exeter, warns that such trials can produce misleading results.

youdao

但是泰德·莱格，英国艾克斯特大学的一个教育专家，提醒说，这种试验可能产生误导的结果。

But Ted Wragg, an expert in education at the UK's University of Exeter, warns that such trials can produce misleading results.

youdao