The safety and the history background of cosmetics were related.

对化妆品安全性问题和历史背景进行概述。

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To understand his music as well as we can, we have to know the history background and his music thinking.

为了更好地理解他的音乐，我们也必须了解他的历史背景和音乐理念。

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However, various disputes and divergences about the issue have historical origin and doctrinal history background.

而围绕此问题的种种争辩与分歧，皆有其历史根源和学说史背景。

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Frank, who came to the catalogue in 1996 from an art history background, found there were many untranslated or out-of-print titles that should have been available to American readers.

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In this video, we learn the history and background of Columbia, the fact that the city had vanished, and the fact that a building fell out of the sky, which implies that the city has decayed.

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His background and history should be celebrated as it provides real and sustainable achievement in job creation.

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