It's simple, and allows you to upgrade your weapons.

The system does not allow passengers to upgrade from discounted fares.

He would also use such schools as sites for courses that allow teachers to upgrade certification and earn more.

Most browser suppliers will allow you to upgrade for free.

So adding White would allow us to upgrade immediately in some crucial areas.

Some leasing programs allow the customer to upgrade a system for additional fees.

Adobe exceeded my expectations by allowing me to upgrade from v1.

Hero points allow the player to upgrade their heroes' powers and abilities.

Most services allow you to upgrade a plan without an added one-time charge.

Once the cargo was moved, the profits would allow her to upgrade the ship and take six months off.