“段”的拼音？

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我所在的公司经历了一段困难时期。The company I work for went through a rough patch.对于两个七十几岁的人来说，这段路太远了。It's a long way to go for two people in their seventies.我们正在经历现代最严重的一段经济衰退。We are in one of the most severe recessions in modern ...