Kao said she cautions against forming any generalizations based on any one of the studies, noting that more background characteristics of the students need to be studied and explained.
Kao 说她曾警告，不要根据任何一项研究得出任何一般化的结论，还提出需要进一步研究和解释这些学生的背景特征。
2
Grace Kao, a professor at University of Pennsylvania said she was not surprised by the findings.
宾夕法尼亚大学的教授格蕾丝高说，她对这些发现并不感到惊讶。
3
Many other nations, Mr. John Kao notes, are now ahead of the United States in producing what are considered the raw materials of innovation.