英语语法分析

Wu admits that when she encounters problems she prefers talking to her classmates and upper-classmen.

吴倩坦承当遇到问题时，她更喜欢和同班同学或者高年级学长探讨。

The scale of the survey made it unique. In total, the survey collected 150,072 responses, from a mix of men and women, upper and lower classmen.

该调查的范围之广史无前例，总计收集了150，072份问卷，受访者有男有女，各个年级的学生皆备。