但是，当一片草地上种植着灌木丛的时候，孩子们就会更多地参与到幻想游戏中，并且社会等级此时便建立在想象力和创造力的基础上。

But when a grassy area was planted with bushes, the children got much more into fantasy play, and the social hierarchy was now based on imagination and creativity.

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同以往一样，处理经济问题的文章占主导地位；但此时，也出现了神学、文学、历史和法律的著作。

Texts dealing with economic matters predominated, as they always had done; but at this point works of theology, literature, history, and law also appeared.

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此时，尽管绵羊、山羊和牛也会发挥非常重要的作用，马已经成为许多地区人们眼中珍贵的动物。

Here, the horse was already becoming the animal of prestige in many regions, though sheep, goats, and cattle could also play a vital role.

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In fact, it's almost getting found, it's almost being very very here.

事实上和被找到相似，几乎就是完全在此时此刻。

普林斯顿公开课 - 人性课程节选

So for each student the tutor builds a model of that Student's current state what the computer thinks they Know and doesn't know, and tries to present the student options that best meet what the tutor thinks are the student's need at that moment.

因此辅导系统会给每个学生,创建一个模型记录他们当前的学习状态,判断他们已经掌握和还不了解的知识,然后给出此时导师认为,最符合他们需要的选择。

麻省理工公开课 - 媒体、教育、市场课程节选