It's also possible that older couples in the new study come from a generation in which men and women generally knew less about each other to begin with than couples do today, Hertwig says.

Hert wig还说，与当今的夫妻相比，也有可能那些在新研究中的老夫妻他们那一代人本来就在一开始就对对方所知甚少。

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It's also possible that older couples in the new study come from a generation in which men and women generally knew less about each other to begin with than couples do today, Hertwig says.

Hert wig还说，与当今的夫妻相比，也有可能那些在新研究中的老夫妻他们那一代人本来就在一开始就对对方所知甚少。

youdao