阅读下面的宋词，然后回答问题。
鹧鸪天
辛弃疾
欲上高楼去避愁，愁还随我上高楼。经行几处江山改，多少亲朋尽白头！　　归休去，去归休，不成人总要封侯。浮云出处元无定，得似浮云也自由。
这首词表达了作者怎样的情感？(3分)
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“欲上高楼去避愁，愁还随我上高楼”与李清照的“只恐双溪舴艋舟，载不动许多愁”(《武陵春》)都是写“愁”的名句，请简要赏析。(4分)
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