And the virtue, the ability, the intellect and the art of a teacher can be cultivated through social practice, rational reflection, and inspiration from good examples.

师德、师能、师智与师艺可通过社会实践、理性反思、典型激励加以培育。

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We can acquire knowledge not only from books but also through social practice.

我们不但可以从书本上，还可以通过实践获得知识。

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Practical Acquisition can be accomplished through social practice, corporate activities, etc.

实践养成通过社会实践、社团活动等来实现。

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With that scale and speed of practice with their social experience they could then jumpstart their own appeals to customers to attract more customers through their friends and friends of their friends.

FORBES: Close Friends (and Their Friends) Most Move Us to Act