n.一夫一妻制，一夫一妻(制)，单配偶，单配性

Monogamy is the practice of having only one sexual partner at a time.
一夫一妻制是指一次只有一位性伴侣的行为。
In many cultures, monogamy is the societal norm for marriage.
在许多文化中，一夫一妻制是婚姻的社会规范。
The concept of monogamy evolved as a way to ensure parental investment and stability in families.
一夫一妻制的概念发展为确保父母对家庭的投资和稳定性的方式。
Monogamous relationships often involve emotional intimacy and commitment.
一夫一妻关系通常涉及情感亲密性和承诺。
Some species, like swans, exhibit monogamy in their mating habits.
有些物种，如天鹅，在交配习性上表现出一夫一妻制。
Research suggests that humans have a natural inclination towards both monogamy and non-monogamy.
研究表明，人类在本性上既倾向于一夫一妻制，也倾向于非一夫一妻制。
Monogamy can provide a sense of security and exclusivity in a romantic relationship.
一夫一妻制可以给浪漫关系带来安全感和排他性。
The choice between monogamy and non-monogamy is a personal decision influenced by individual values and beliefs.
在一夫一妻制和非一夫一妻制之间做出选择是一个受个人价值观和信仰影响的个人决定。
Many religions promote monogamy as a sacred bond between two individuals.
许多宗教都提倡一夫一妻制作为两个人之间的神圣纽带。
Despite cultural and religious influences, there are still societies where polygamy, not monogamy, is the primary form of marriage.
尽管受到文化和宗教的影响，但仍有一些社会中，一夫多妻制而非一夫一妻制是主要的婚姻形式。