Whether if it's in love or not it is always going to be like two parallel trains which only have the fate of a brush past .

是否相爱的人，永远都只能像两列平行的火车，只有擦身而过的缘份。

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Why are joy and sorrow, love and pain just like two parallel rails following closely behind us?

为什么快乐与伤悲、爱与痛，要像两条并行的铁轨，在我们身后紧紧跟随？

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Two parallel lines, side with the intersection, turning into a butterfly, Yuchi lightly out of love poems.

两条平行线，偏有了交点，化蝶，羽翅翩跹出爱情的诗篇。

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"The Last Station" was adapted from the novel by Jay Parini, and its structure is fairly intricate parallel love stories (Tolstoy and Sofya, Valentin and Masha), plus interlocking triangles (Sofya and Chertkov contending for Tolstoy's soul, Sofya and Chertkov pumping Valentin for information about one another's grip on Tolstoy's property).

WSJ: The Last Station and The Book of Eli | Review by Joe Morgenstern

Longbourn follows a romance between a newly arrived footman and a housemaid in the Bennet household that runs parallel to the love story between Mr Darcy and Elizabeth Bennet.

BBC: Pride and Prejudice retold from servants' viewpoint

Running in parallel with the trials of love is an account of the earliest vibrators, as developed for therapeutic purposes by our hero, the irony being that, without realizing it, he is, like Charlotte, in the business of female liberation.

NEWYORKER: Hysteria