They continue to manipulate various factors, such as concentration and frequency, vainly trying to draw a parallel line between the animals and humans when there isn't one.

他们继续控制各种因素，如浓度和使用次数，妄图在动物和人类之间做比较，而这种可比性是不存在的。

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It is possible to draw a parallel between mobile phones and cigarettes.

将手机和香烟进行类比是可能的。

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He draw a parallel between American football and association football.

他把英式足球和美式足球做了一个比较。

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Well, if she didn't, Mr. Tarantino couldn't fold the Siegfried and Brunhilde myth into his mashup, and draw a bitterly ironic parallel between Candyland and Valhalla.

WSJ: Joe Morgenstern Reviews Django Unchained and Promised Land