The trading pair #交易对 refers to the exchange relationship between currencies, such as BTC/USDT indicating the purchase of BTC with USDT. Common trading pairs include BTC/USDT, ETH/USDT, BNB/USDT, etc. These pairs typically have high liquidity, low slippage, and quick transactions, making them suitable for beginners. There are also some smaller currency trading pairs like DOGE/USDT and PEPE/USDT, which, while highly volatile, come with high risks. When choosing a trading pair, one should pay attention to factors such as liquidity, trading volume, and platform support to ensure a good trading experience and safety.