And hours of watching TV shows with canned laughter only teaches kids to process information in a passive way.

长时间看带有预录笑声的电视节目，只能让孩子们学会被动地处理信息。

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The whole hall is filled with joy and laughter -- there is only one who feels distressful.

满堂欢笑， 一人向隅。

《新英汉大辞典》

Scientists also found that the only real and relaxing laughter works not just polite laughter.

科学家们还发现，真正放松的笑声不仅仅是礼貌的笑声。

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As Bamford performs at a mike in the living room, the camera keeps cutting to the supportive laughter of the only people who are in the audience: her parents, seated on the couch (the ultimate in narrowcasting).

NEWYORKER: Small Wonders

One says, "This is not funny, " only to be drowned out by the laughter of the main speaker and those supporting him.

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The only good news was that it was laughter.

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