There are two fundamental changes in the writing of heroic romance in the early Qing Dynasty.

清代前期英雄传奇小说创作上的重要变化，表现在两方面。

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There are at least two fundamental causes accounting for these changes.

至少两点主要原因造成了上述变化。

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There are at least two fundamental causes accounting for these changes.

至少两点主要原因造成了上述变化。

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