概率论第一个基本原理中的一条是事件的独立性。
One of the first principles of probability is the idea of independence.
向孩子们展示必然事件的独立性或是解释一个事件和另一个事件的关系，帮助孩子们更好的理解他们听到的东西。
Showing that certain events are isolated or explaining how one event relates to another helps kids make better sense of what they hear.
然而，这些富于独立性的举动与边境生活之间的关系有可能只是一个统计上的偶然事件。
It's possible, however, that the relationship between these individualistic behaviors and frontier life is simply a statistical accident.
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