3.Being an unmarried mother used to carry a social stigma.
做未婚母亲社会上曾是不光彩事。
4.She disapproves of unmarried couples living together.
她反对未婚男女同居。
5.Thomas Coram's Foundling Hospital opened in 1741 to look after the abandoned babies of unmarried mothers, attracting support from the cream of society.