The remaining 22% lived in the home of another family member such as a grandparent, in-law or sibling, a non-relative, or in group quarters like college dormitories.
2019年6月四级真题（第二套）阅读 Section B
英汉词典释义
n.
姻亲
Rows with one’s in-laws often create divided loyalties.与姻亲之间的矛盾常常让人两面为难。