complex stock option

例句：

1. 1. The company offered a complex stock optionto attract more investors.
   公司提供了一种复杂的股票期权以吸引更多的投资者。
2. 2. The complex stockoption was designed to provide investors with greaterflexibility in their investment decisions.
   这种复杂的股票期权被设计出来，以使投资者在投资决策上有更多的灵活性。
3. 3. The complexity ofthe stock option made it difficult for investorsto understand and evaluate the risks involved.
   这种股票期权的复杂性使得投资者难以理解和评估所涉及的风险。