人类可能是唯一能笑出声音来的动物，可实际上，喜欢笑（但笑不出声来）的动物并不少。
Humans are the only creatures that crack jokes, but lots of animals like to laugh.
默多克张嘴要笑，但没发出声音，咳嗽几声，说，“听我牛津的朋友说你可能在这一带，没想到你是这个样子。”
Murdoch's mouth opened in a laugh but no sound came out. He coughed and said, "Heard from my Oxford mates you might be in these parts, but didn't expect to find you like this.
校园里那条小路，已该被那金黄的落叶覆盖，小学生们踩着落叶，听着那清脆的声音，他们笑了，这笑是天真的。
Piece of the campus paths, has been that the golden leaves of the coverage, students are stepping on leaves, Listening to the sound crisp, they laugh, this laugh is naive.
玛莎：(笑)我百分之百相信你是个好父亲。要知道，从一个人的声音可以听出来。
Marcia: (laughing) I have no doubt that you're a wonderful father. You know, you can tell a lot from a person's voice.
玛莎：(笑)我百分之百相信你是个好父亲。要知道，从一个人的声音可以听出来。
Marcia: (laughing) I have no doubt that you're a wonderful father. You know, you can tell a lot from a person's voice.
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