Professor Helen Fischer, a biological anthropologist, divides love into three entities: lust, romance and attachment.

一位生物人类学家，海伦·费舍尔教授，将爱情分为“性，浪漫以及依恋”三种特性。

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A: There are different emotional and physiological components to both love and lust.

答：爱与性包括不同的情感和生理成分。

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Q: What is the relationship between love and lust and do we often confuse the two?

问：爱与性的关系是什么？ 我们是不是常常搞混它们？

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There are 20 million lonely souls in America searching for love and lust online.

FORBES: The Perils of Online Dating and Talking About Broken Marriages with the New York Times

We often hear people talk about the love of the game, but it's clear that that love has turned into lust.

CNN: Commentary: Integrity biggest loss in baseball scandal

But, if hypocrisy is acceptable in the office, the same does not apply in battle: when lives are at risk, the armed forces argue, an officer's judgment should not be clouded by lust or love.

ECONOMIST: The disciplines of war