Professor Costrell says schools should not only re-examine what they teach.

VOA: special.2009.10.22

We're moving into the large on-term across next term where we'll teach 600 students in six sections, of about 100 each.

我们准备下学期,搬去更大的地方,就能一次教六个班的学生，每个班100人左右。

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