cohabitation

n.

同居；

1. One of the joys of cohabitation is having breadfast together.
   同居的一大乐事便是一起吃早餐。
2. I am determined to cure him, so I told him The cohabitation.
   我决心要治好他，于是，我跟他同居了。

National estimates of cohabitation
Cohabitation versus Marriage: A Comparison of Relationship Quality
The Role of Cohabitation in Declining Rates of Marriage
Cohabitation, marriage, divorce, and remarriage in the United States.
Cohabitation in the United States: An Appraisal of Research Themes, Findings, and Implications
Premarital cohabitation and subsequent marital dissolution: a matter of self-selection?
Trends in cohabitation and implications for children s family contexts in the United States.
The Role of Cohabitation in Family Formation: The United States in Comparative Perspective
The ties that bind: Principles of cohesion in cohabitation and marriage.
Cohabitation of scaffold binding regions with upstream/enhancer elements of three developmentally regulated genes of D. melanogaster.