Sentence examples for were a mainstream from inspiring English sources
The late Donella H. Meadows, the founder of Vermont's Sustainability Institute, recognized the conflict long before the carbon footprints of everyday objects were a mainstream concern.
The first two titles that etched themselves into my mind were a mainstream German architecture magazine called Häuser (pictured below is an issue from 1984) and Playboy, copies of which my best friend's father conveniently kept in the bathroom of their guest bedroom.
The secret NRA executive board and its CEO Wayne LaPierre are not what you might have once thought they were, if you thought they were a mainstream lobby group out to protect the Second Amendment.
Mr Thune is a mainstream Republican.
They're a mainstream fashion choice.
It is a mainstream record".
Gov. Mel Carnahan is a mainstream Democrat.
By 2010, Snoop was a mainstream mogul.
And now it is a mainstream technique.
I am a mainstream Republican in the mainstream of New Jersey".
