high coupon meaning in Chinese

高利息证券
高收益投资

Once the 3rd semi - annual coupon is fixed , the subsequent semi - annual coupons will not be less than the previous one . the rising lock - in mechanism will only offer investors a higher coupon rate resulting from the positive performance of the relevant stocks
次派息的息率被锁定后，不论有关股份价格表现如何，其后每半年一次的派息将不会低于上一次，而且更有机会随著有关股份价格的表现而增加