One of the best and the most painful things about time traveling has been the opportunity to see my mother alive.

One of the best and the most painful things about time traveling has been the opportunity to see my mother alive.

时间旅行中最好也是最痛苦的事情之一就是有机会看到我的母亲还活着。

-- Audrey Niffenegger 奥黛丽·尼芬尼格