What is the author's statement about multigenerational family based on?
作者是基于什么提出了关于几代同堂家庭的陈述？
2
Stories like that are more common in parts of the world where multigenerational living is more firmly rooted.
多代同堂这一习俗根深蒂固的地方，这类故事更为常见。
3
Official reports suggest that the number of households with three generations living together had risen from 325,000 in 2001 to 419,000 in 2013. Other varieties of multigenerational family are more common.