典型的弗洛伊德理论认为，口欲滞留的原因有很多，诸如：喂食不足或喂食过盛、哺乳时间过长、或与母亲关系不睦。
Typical to Freudian theories, oral fixation is linked to myriad causes, such as under-feeding or over-feeding, breast-feeding too long, or problematic relationship with your mother.
除了隐形费用和未被告知原因的机舱滞留时间，还有一些其他事情航空公司永远不会对你说。
Besides the hidden fees and hours sat on an airplane without any clue as to why you're holding there are certain things that airlines will never tell you.
除了隐形费用和未被告知原因的机舱滞留时间，还有一些其他事情航空公司永远不会对你说。
Besides the hidden fees and hours sat on an airplane without any clue as to why you're holding, there are certain things that airlines will never tell you.
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