1The new policy has doubly benefited the company by increasing profits and reducing costs.
2She was doubly happy when she received the news that she had been accepted into her dream university and had also won a scholarship.
3The doubly glazed windows help to keep the house warm in winter and cool in summer.
4The company's doubly secure system ensures that all customer data is protected from cyber attacks.
5The doubly talented artist is not only a skilled painter but also a gifted musician.