短語詞組用作名詞 (n.)動詞+～trade in -ties 做物資交易形容詞+～marketable commodity 可銷售的商品profitable commodity 賺錢的商品daily 〔household〕 -ties 日用品〔家庭用品〕介詞+～the prices of the -ties 物價～+介詞-ties for export 出口商品短語 返回 commodities