另一种完全不同的理论认为，打呵欠有助于生命早期肺部的生理发育，但对成年人没有任何剩余的生理功能。
A completely different theory holds that yawning assists in the physical development of the lungs early in life, but has no remaining biological function in adults.
它们对成年人很重要，因为有三个轮子的自行车可以帮助人移动或搬东西。
They matter to adults because bikes with three wheels can help move people or things.
研究表明，这对成年人来说没有危险，但如果儿童戴了不适合他们眼睛的眼镜，可能会导致视力下降。
Studies show that for adults there is no danger, but children can develop loss of vision if they have glasses inappropriate for their eyes.
孩子们对成年人的商品消费的产生非比寻常的影响。
Children exert a surprising influence over the purchase of grown-up goods.
他借了别人一个山地车，车太小了，对成年人来说太难骑了。
He borrowed a too-small mountain bike that was very difficult for a grown man to ride.
但需要对成年人饮食行为测量模型进一步探讨，以获得更有效的成年人饮食行为测量工具。
But it is necessary to do more research about the theory model of eating behavior to get more high quality eating behavior measurement tool.
就像我们小时候边听故事边沉沉睡去一样，安抚身心的录音故事(诗歌和传记都不错，千万别听恐怖故事)对成年人来说同样有效。
Just as a bedtime story soothed and relaxed us when we were children, a calming book on tape (try poetry or a biography, stay away from horror novels) can have the same effect with us grown-ups.
就像我们小时候边听故事边沉沉睡去一样，安抚身心的录音故事(诗歌和传记都不错，千万别听恐怖故事)对成年人来说同样有效。
Just as a bedtime story soothed and relaxed us when we were children, a calming book on tape (try poetry or a biography, stay away from horror novels) can have the same effect with us grown-ups.
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