交易所
交易所为市场参与者提供进行交易的安全环境。受监管的交易所类似俱乐部，经批准方能成为成员，成员的行为受到正式规则约束。
Exchange
An
exchange provides a safe environment in which market participants can trade. Regulated exchanges are like clubs in that they have approved members and a formal set of rules to govern members' behaviour.