介绍:
Attention passengers, in preparation for takeoff, please turn off all electronic devices and if you have a laptop, please stow it now. Thank you and enjoy your flight.
【参考译文】
各位乘客请注意，在起飞之前，请关闭所有电子装置，如有笔记本电脑，请现在装好收起。谢谢合作，祝您旅途愉快。
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