In terms of machine learning, we had to give the machines good audiovisual material with real emotions and expressions.

在机器学习方面，我们需要给机器提供带有情绪和表情的很好的声像材料。

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This part of the series gives guidelines on important things to learn and useful links to good learning material (books, blogs and games).

系列文章的这一部分提供了一些关于需要学习的内容的指南，以及一些不错的学习资料（如书籍、博客和游戏等）的链接。

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Nowadays, English learners take the original lines and culture as good material for English learning. Good spots also add more interest to learn English.

而今， 英语口语爱好者更是认为原汁原味的美剧对白和纯正西方文化完全可以作为绝佳听力口语素材，幽默轻松、跌宕起伏的剧情也增强了学英语的兴趣。

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