Return on investments短语¹⁴⁴⁹⁷²⁺² 基本例句 投资收益 Spreads the insurance company is the actual rate of return on investments and the expected rate of return on investments led to the difference between the income or loss; 利差是保险公司实践投资收益率和预定投资收益率地差额招致地收益或者吃亏； sxfast.com