相关单词近義詞 speculation 推測, sale 出售, truck 卡車, interchange 交換, exchange 交換, transaction 交易, swap 交換, swapping 交換, substitution 代替, tradeoff 交易臨近詞Tradi, trad, tradational culture, Traditio longa manu, tradional tecnology, Tradctional library, trading cooperative, tradional knowledge, trading association, trading arrangement, trading cooperation, trading certificate相似詞trader, tradesman, tradesman's entrance, tradespeople, trading card, trading estate, trading post, tradition, 返回 trading