形容詞 exchangeable:

1. suitable to be exchanged
2. capable of being exchanged for or replaced by something of equal value
   同義詞：convertible
3. capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability
   同義詞：interchangeable, similar, standardized, standardised

1. A commodity, such as gold, or an officially issued coin or paper note that is legally established as an exchangeable equivalent of all other commodities, such as goods and services, and is used as a measure of their comparative values on the market.
   錢，貨幣，紙幣一種商品，如金子或官方發(fā)行的鑄幣或紙幣，把這種貨幣或紙幣定為可與其他一切商品、如貨物和服務的等價交換物，并用作市場交換價值的尺度
2. Sale goods in this shop are not exchangeable.
   本店貨物售出概不退換。