四十年来家国，三千里地山河。

In forty years the state, 3000 rivers.

夏彼若告诉我们她的祖母就不需要这样的书，她的家人居住的地方不会相隔三千里。

"My grandmother didn't need a book like this," Shapiro tells us. "her family didn't live three thousand miles away."