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Collaboration across sectors is the only way to solve forestry's greatest challenges.
二十年的爱情让女人犹如一片断痕残壁,但二十年的婚姻则让她好似一栋公共建筑。
Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.
这是最好的时代,这是最坏的时代。