I used several e-coupons to get discounts on my online purchases.

I used an e-coupon to get a discount on my online purchase.

I received an e-voucher for my birthday.

I received several e-vouchers as a gift.

The e-borders system helps monitor and control the movement of people and goods across international borders.

The e-border system has improved border security.

E-journalism has revolutionized the way news is reported and consumed.

I made an e-transaction to pay my bills.

E-transactions have become increasingly popular in recent years.

E-contracts are becoming increasingly popular in the business world.