追加投資費是保單持有人支付額外整付保費以購入更多單位時，被收取的定額或按追加金額百分比計算的費用。
A top-up fee is a flat or percentage charge imposed when the policyholder pays an additional single premium to purchase more units.
追加投資費是保單持有人支付額外整付保費以購入更多單位時，被收取的定額或按追加金額百分比計算的費用。
A top-up fee is a flat or percentage charge imposed when the policyholder pays an additional single premium to purchase more units.