Full touch with the palm of the hand is warm and affectionate while touching with the fingertips betrays less affection.

全手掌接触体现了热情和喜欢，而用指尖接触则表示缺少感情。

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Some scientists have theorised that it was originally inspired by mothers passing food to their babies with their mouths, and subsequently affection became associated with touching lips.

一些科学家认为，亲吻源于母亲用嘴喂养婴儿的举动，继而感情的传递就与嘴唇的碰触有关。

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In Eastern countries remember that touching and public displays of affection are unacceptable.

记住，在东方国家，身体接触或在公众场合流露感情往往不被人接受。

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