The trading pair #交易对 #交易对 represents the exchange relationship between two different assets in cryptocurrency trading. For example, Bitcoin against Ethereum (BTC/ETH), where the currency in front is the base currency and the one behind is the quote currency. It determines the direction of the trade and the way prices are represented. Investors can buy and sell based on the price fluctuations of the trading pair to gain profit from the price difference. Different trading pairs have varying liquidity and price trends in the market, and understanding the characteristics of trading pairs is fundamental to engaging in cryptocurrency trading.