gift exchange
短语词组
- reciprocity or gift -exchange models 互惠或投桃報李模型
- gift exchange game 禮物交換博弈;實騐;博弈
- Office Supplies Gift Exchange 辦公用品禮品交換
- Gift Exchange World 禮物交換世界
- Gift Exchange District 禮品兌換區
- gift exchange model 投桃報李模型
- Presentation and Gift Exchange 中美方交換紀唸品
- gift exchange theory 理論 返回 gift exchange