- changing a topic
- 改换: change over to; change
- 话题: subject of conversation
- 转换话题: switch the conversation to another subject
- 改换: change over to; change 改换地点 change the place; 改换名称 rename; 改换步调 change of pace
- 话题: subject of a talk; topic of conversation 转话题 change the subject
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