The green campus is not only the environmental being green, but also the Sprite being green, which means we should do other things like helping each other or caring each other.

绿色校园不仅仅指绿色的校园环境，也包括绿色的精神，即我们应该互相帮助、互相关心等。

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And there's a few things going on here, so clearly there is multiple sprite, multiple characters, and recall from last week that each sprite has its own set of strips or programs.

我们可以看到许多东西，譬如，很明显我们可以看到有许多小精灵，许多字符，想想上周，每个精灵还自有一套,程序。

哈佛公开课 - 计算机科学课程节选