over-counter的用法和樣例：
辭彙搭配
- over the counter 場外交易
- over-the-counter trading 現貨交易
- over-the-counter market 直接交易市場...
- pay over the counter 在櫃檯交付
- over-the-counter drugs 非處方葯
- over-the-counter security [經] 買賣雙方直接...
- over-the-counter stock 場外股票
- over-the-counter sale 場外交易
