1. It doesn't matter whether people are heterosexual or homosexual.
一个人是异性恋还是同性恋无关紧要。

《柯林斯英汉双解大词典》

2. Although many people do not think of homosexual relationships as resulting in a family, it has been estimated that about one of five gays and one of three lesbians enter a homosexual marriage.
虽然许多人不认为同性恋关系会产生家庭,但据估计,大约五名男同性恋者和三名女同性恋者中有一名进入了同性恋婚姻。

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3. Although many people do not think of homosexual relationships as resulting in a family, it has been estimated that about one of five gays and one of three lesbians enter a homosexual marriage.
虽然许多人不认为同性恋关系会产生家庭,但据估计,大约五名男同性恋者和三名女同性恋者中有一名进入了同性恋婚姻。

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