她仍然和她未婚的儿子住在一起。

She still lives with her ___unmarried son.

许多职业女性选择保持未婚以专注于事业。

Many professional women choose to remain ___unmarried to focus on their careers.

在调查中，超过30%的30-35岁成年人称自己未婚。

In the survey, over 30% of adults aged 30-35 described themselves as ___unmarried.