课堂，是一个特殊的社会舞台，是一个正式的社会活动场所，是一个充满着生机和活力的整体，它蕴藏着纷繁复杂的结构、情境与互动，具有鲜活的生命取向。
Class is a specially social stage as well as a formal place for social activity, in which there exits life and vigor, complex structure, setting, interaction and lively life orientation.
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