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The average age of first marriage has risen steadily for decades.
过去几十年来，初婚的平均年龄一直在稳步上升。
youdao
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The average marriage was 13 years and the average age was 41.
平均结婚年数为13年，平均年龄为41岁。
youdao
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The average marriage was 13 years and the average age was 41.
平均结婚年数为13年，平均年龄为41岁。
youdao