arbitrage in securities

例句：

1. 1. The stock market is a place where investors can engage in arbitrage activities.
   股票市场是投资者可以进行证券套利活动的地方。
2. 2. He speculated on the price of gold and made a profit from arbitrage.
   他预测黄金价格并从证券套利中获利。
3. 3. The government has been accused of engaging in arbitrage to underminethe value of its currency.
   政府被指控进行证券套利，以损害其货币的价值。