initial premium meaning in English

初期保险费
首期保费

The policy gose in effect only after the payment of the initial premium
保单只有在首期保险费交付后方可生效。
Based on initial premium in annual mode , and excluding all extra premiums
根据首年年缴方式之保费而定，不包括任何额外保费。
Initial premium is the premium calculated as of the effective date of my premier ladys benefit
首年保费是按我的智爱女性附加保障生效日的保费计算。