That seemed clear enough, but things got tricky when the nonwhite ancestor was a grandparent or a great-grandparent and the minority blood became increasingly diluted.
这看来够清楚了吧,但当非白人祖先是祖辈或曾祖辈,少数种族血统越来越稀释时,情况又变得微妙起来。
The family structure of the Chinese type is more complicated, the traditional of happy family is all family lives together including grandparent and great-grandparent .