The added twist is that threat comes from their own partners.

更畸形的是，这种威胁是来自于他们的合作伙伴。

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The two researchers and their colleagues then carried out their own experiment, with the added twist of dividing their subjects up by age.

这两位研究者和他们的同事一起做了自己的实验，增加了实验中对年龄的分层和对照。

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The disappearance of a vital witness added a new twist to the case.

一名重要证人失踪，令诉讼出现了新的变数。

《牛津词典》

An added twist was that each of the rookies working with their 'mentor' was filmed for a Breakfast News feature produced by Sally Attard.

BBC: Spreading the word

American Express recently capitalized on this seemingly useless Facebook feature, and added a twist that everyone can appreciate.

FORBES: "Link, Like, Love": Sharing Is Caring With AmEx And Facebook's Newest App

After giving the chimpanzees six weeks to learn this pattern, Slocombe and Zuberbuhler added a twist to the experiment.

FORBES: Can Chimps Talk?