sea change

District leaders acknowledged that implementing the ban will be a sea change at middle and high schools, where most students carry phones.

Of course, it’s possible that Trump is currently over-polling and Harris is under-polling, but that would represent a sea change from the past two presidential contests.

Caltech has retired a telescope atop the summit of Hawaii’s Mauna Kea following a cultural sea change in how people view land development on revered landmarks.

“It’s a sea change in terms of how this issue has been dealt with through the ages,” a celebratory Harris said in 2004 after the state Legislature approved the bill.

"We need a real sea change in internal policing culture and the police forces' response to domestic abuse overall," said Ms Ampofo.