阅读下面这首元曲,完成题目。(11分)
【双调】雁儿落过得胜令·归隐
汪元亨
闲来无妄想,静里多情况。物情螳捕蝉,世态蛇吞象。直志定行藏,屈指数兴亡。湖海襟怀阔,山林兴味长。壶觞,夜月松花酿。轩窗,秋风桂子香。
请结合本曲内容简要概括作者归隐的原因。(6分)
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曲中抒发了作者怎样的思想感情?(5分)
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