"They seek to save costs at the expense of quality."

Seems like they were trying to save face at the expense of the customers.

This saves energy at the expense of greater system complexity.

Money has been saved at the expense of the mentally ill.

Saved his own skin at the expense of a man's life.

She would have saved herself at the expense of her destiny.

This candle can be used to save someone's life at the expense of another.

"He's trying to save his political career at the expense of everyone and anyone."

She wouldn't have tried to save herself at the expense of another person.

"I couldn't save myself at the expense of my friends."