例如，如果你微笑，你的声音会听起来温暖和友好，相反，如果你脸上有一个生气的表情，它会让你听起来不愉快。

For example, if you smile, your voice will sound warm and friendly, just the opposite, if you have an angry look on your face, it can make you sound unpleasant.

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它们分别表现出了凶狠的、愉快的和不带感情色彩的表情。

They showed threatening, pleasant and neutral expressions.

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结果母亲的飞机晚了，飞机晚点使得我们感觉似乎是卷入到了一场全美国的恐慌，"请不要急，亲爱的，”航空公司柜台后面一位很愉快表情的女士告诉我，“我们会让去拉巴萨的飞机等你妈妈。”

Of course, her flight was late, which put me into an all-American panic. "But don't worry, my love, " a beaming woman behind the airline counter told me, "We'll hold the Labasa plane for your mummy."

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