• So the group started a competition called the National Geographic Bee to test students' knowledge about places around the world.

    VOA: special.2009.05.29

  • This is targeted at the so-called standard edition, which we expect most students to do.

    大家要以所谓的标准版为目标,我希望大部分同学会这么做。

    哈佛公开课 - 计算机科学课程节选

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