The supermarket fired the first shot in a price war today.

今天，这家超市打响了价格战的头一炮。

《牛津词典》

Get into a price war.

陷入价格战。

youdao

The best way to win a price war, then, is not to play in the first place.

赢得价格战的最好的方法就是开始就不要参与进去。

youdao

President Truman tried to stop the increases through a special price control agency that had been created during the war.

VOA: special.2011.08.11

Now, what happened was the U.S. Government-- or the Massachusetts Government--had created high inflation during the war and nobody wanted to lend money to it so they create here a price index.

当时的美国政府,或者说麻省州政府在战争期间引发了高通胀,以至于没人愿意借钱给他们,于是他们制定了一个价格指数

耶鲁公开课 - 金融市场课程节选

At the same time crusty competitors Interstate Bakeries and Sara Lee instigated a price war.

FORBES

And in NYC, where competition is fierce, carriers are in a bit of a price war.

WSJ: At Least the Price Is Right

Then comes the potential for a price war with other schools desperate to fill their classrooms.

FORBES: The Scary Economics Of Higher Education