他们(的情况)又是老夫少妻。
Theirs is another case of January and May .
婚姻市场的平衡点就是男女价值一致时的结合,这一点似乎可以解释为什么那么多老夫少妻的组合。
The balance point lies in the value intersection of the man and the woman , which may explain why there are so many old husbands with young wives at present .