Dr Norberg's work reinforces the point, and also shows that it is not formal marriage, but actual cohabitation, that is the decisive factor.

诺伯格博士的工作证实了这点，同时也表明决定因素并非正式婚姻，而是实际的同居。

youdao

The ill-fated marriage of former Beatle Paul McCartney and his estranged wife Heather Mills came to a formal end last year.

前“披头士”乐队成员保罗·麦卡特尼与其感情不和的妻子希瑟·米尔斯去年正式结束了这样不幸的婚姻。

youdao

When they take the formal step of marriage, does anything change?

当他们采取结婚这一正式步骤时，会有什么变化发生呢？

youdao

Joint filing based on formal marriage is particularly ill-suited to the new patterns of marriage and child-rearing.

FORBES: Time To Eliminate Joint Filing ?

Fewer than half of Caribbean families with children are headed by a couple in a formal marriage.

ECONOMIST: Black Britain