七月白昼的葱郁树木，体现出普通的美，常见的清新，是一种如同黑夜白昼般惯常而又永恒不变的不解之谜。

The daylight trees of July are signs of common beauty, common freshness, and a mystery familiar and abiding as night and day.

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艺术美与生活美的关系是美学史上的千古之谜，也是文艺创作和鉴赏实践中绕不开的难题。

The relationship between the artistic beauty and the life beauty is a myth and a difficult problem for artistic creation and appreciation since the ancient times.

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