Question: Do you think there must be music and dance at a party? Analysis: When answering, you can express your personal views on the elements of a party and give reasons. Explain the reasons for having or not having them from the perspective of atmosphere and effects. You can discuss how music and dance can influence the atmosphere of a party and the atmosphere of activities. You can also mention that different types of parties may require different activities and forms of entertainment.

问题：你认为聚会上一定要有音乐和舞蹈吗？ 解析： 回答时，可以表达个人对于聚会元素的看法，并给出理由。从氛围和效果角度解释有或者没有的理由。 可以讨论音乐和舞蹈如何影响聚会的氛围和活动的氛围。还可以提及不同类型的聚会可能需要不同的活动和娱乐形式。