fee tier

Choose the 0.05% fee tier for stablecoin pairs and 1% for highly volatile long-tail assets.为稳定币交易对选择 0.05% 的手续费等级，为高波动性的长尾资产选择 1%。

Higher fee tiers compensate LPs for the greater risk of impermanent loss in volatile markets.更高的手续费等级可以补偿流动性提供者（LP）在波动市场中面临的更大无常损失风险。