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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You might say that chairs are artifacts and humans are biological expressions of living material; they aren't comparable in the sense of chairness and humanness.

你可能会说椅子是手工艺品，是人们对于生活原料的生物学表达；他们不会对椅子的特性和人性作比较。

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Engaging progressive homogenization method, the expressions of relations of material properties among levels are yielded, moreover, the approach to solve problems is given.

采用逐步均匀化的方法求得了各层次的材料参数间关系的表达式并给出解决问题的途径。

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Germany has never answered that question directly, but from its early post-war days it has accepted that only by offering material restitution as well as expressions of remorse could it prove that it had broken completely with its Nazi past.

ECONOMIST: The price of the Holocaust