Over the last three months you really have become invaluable, Max.

Now that other pitchers have emerged for Florida, Willis may appear expendable, but his leadership has become invaluable.

She uses a wheelchair full time and Kyler has become invaluable.

Too bad she had to go and get married--just when she was becoming invaluable.

Three young women who started working for me in the campaign became invaluable and stayed with me through the eight White House years.

In all such such instances, the advent of photography has become invaluable.

"Whether Starfleet likes it or not, she's become invaluable to the future stability of the Empire."

Four years later, he has become invaluable.

While the internet is becoming increasingly invaluable, it should not be regarded a fundamental right to have access to lighting-speed internet.

Such winter range has become invaluable.