一对夫妇在公园里散步，发现一对年轻的男女坐在一条长凳上，动情地接吻。

“你为什么不那么做呢？”妻子说。

“亲爱的，”丈夫回答说，“我还不认识那个女子呢!”

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A couple walking in the park noticed a young man and woman sitting on a bench, passionately kissing.

"Why don't you do that?" said the wife.

"Honey," replied her husband, "I don't even know that woman!"