to invest a large amount of money in a company or project :
The government has ploughed more than $20 billion into building new schools.
to invest a large amount of money in a company or project :
The government has ploughed more than $20 billion into building new schools.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005