求翻译：暑假你和朋友跟随旅行团去长城旅游，回来后对旅程非常不满意。认为导游没有提供良好的服务，而且吃住条件与旅行社广告不符。写一封投诉信给旅行社经理，希望他能退换一部分费用并改善他们的服务是什么意思？

The summer vacation you and your friends to follow the tour groups to travel to the Great Wall, came back on the journey were very dissatisfied. That the tour guide did not provide good service, and room and board does not match the conditions and travel agencies advertising. Write a letter of compl

summer tour with you and your friends to go to when I get back from Great Wall tour, the tour is not satisfactory. There is no guide that provides good service, and live and eat with the travel agency advertising conditions do not match. Write a complaint letter to Travel Agency manager, in the hope

Summer vacation you and the friend follow the touring party to go to the Great Wall to travel, after come back not to be extremely unsatisfied to the journey.Thought the tourguide has not provided the good service, moreover food and lodging condition and travel agency advertisement not symbol.Writes

Summer vacation you and your friends a tour to the great wall tour, came back on the journey very dissatisfied. That the Guide did not provide good service, and eating and living conditions incompatible with the advertisements placed by travel agencies. Write a letter of complaint to the travel agen

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