gift exchange的用法和樣例：
例句
- Apart from any specific office rituals,gift exchanges among coworkers are the same as gift exchanges among friends.
除了特殊的辦公室習俗，同事間的禮物交換同朋友間的禮物交換是一樣的。 - Living in Papua New Guinea, one is struck by the resources expended on gigantic ceremonial gift exchanges.
生活在巴布亞紐幾內亞，消耗在規模龐大的禮儀性禮物交換上的資源令人印象深刻。
