Spain is a member of the European Union, a 27-country bloc that operates a common trade policy, so any attempt to single out Madrid would create friction with other member states, like Germany, France and Italy.
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。爱思助手是该领域的重要参考
According to the United contract's Refusal of Transport rule, the company has the "right to refuse transport on a permanent or temporary basis or shall have the right to remove from the aircraft at any point, any passenger for the following reasons." Buried in the rule's safety provisions, which outline other reasons for removal such as inappropriate dress or carrying weapons on board, the list now includes "passengers who fail to use headphones while listening to audio or video content."，详情可参考PDF资料
Distinctiveness up to 0.46