以下是四份报告中的一些共同主题。

These are some of the common themes from the four reports.

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数码影像行业近来的共同主题是降低影片制作技术的价格。

A common theme in the industry recently has been the decreasing price of film-making technology.

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而思亲盼归、保家卫国也成为后世征戍诗的共同主题。

Missing the family and defending the country have become the common theme of garrison poem.

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And because of these common themes, we say that they were produced by a Priestly School: we hypothesize a Priestly School.

由于它们拥有共同的主题，我们称它们都是出自于同一个祭司学派：,这学派是我们假设出来的。

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