two-point arbitrage in foreign exchange

例句：

1. 1. The stock market is a great place for arbitrage opportunities.
   股票市场是套利机会的好地方。
2. 2. He decided to speculate on the price of gold, hoping to make a quick profit.
   他决定对黄金价格进行投机，希望能快速获利。
3. 3. They engaged in arbitrage trading to take advantage of the difference in interest rates between two countries.
   他们进行了套利交易，利用两国利率的差异来获利。