短語詞組短語trade e negotiation 交易談判service -trade-negotiation 服務貿易談判multilateral trade negotiation 多邊貿易談判multilatural trade negotiation 多邊貿易談判trade negotiation conference 貿易談判會foreign trade negotiation 外貿談判英語trade negotiation skill 貿易談判技巧mandatory trade negotiation 強制貿易談判 返回 trade negotiation