题目内容
Report the complaint to a superior if you can’t settle it.
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With good training and plenty of practical experience everybody can master the skills of being nice to guests.
The success of the hospitality industry depends on the excellent management.
Translate the following sentence into Chinese.The success of the hospitality industry depends on the people-pleasers. With good training and plenty of practical experience everybody can master the techniques of being nice to guests. A dissatisfied guest means a loss of potential future business for the hotel, while a pleased guest leaves the hotel with a good memory of hospitality he has enjoyed and he is likely to repeat his visit to the hotel.
下列哪个药物的水溶液与三氯化铁显蓝紫色，其酸性水溶液加热后具有重氮化耦合反应：
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