The phrase "massive flow" is correct and usable in written English.
You can use it when referring to a large amount of something moving or circulating. For example: "The massive flow of traffic made it difficult to cross the street."
The solid wall was built, expensively, to control the massive flow of the river.
The massive flow of capital helped fund Germany's sovereign obligations and led to soaring wages.
"I don't think we're going to see the kind of massive flow of bonus money that we saw into the market back in 2006 and 2007".
In the event of a massive flow, we are going to need more help with food and lodging, because our capacity is limited".
The previous post outlined efforts undertaken by NGOs, private companies, and governments to reduce the massive flow of plastics into our oceans.
During the centuries that followed, among other things, there was a massive flow of immigrants from Europe, mostly from Spain, to the American continent.
"The massive flow of capital into Wall Street gave it the impetus for financialization," Varoufakis said, referring to the creation of derivatives and other risky financial vehicles.
The present work deals with the analysis of the propeller inflow in a single-screw chemical tanker vessel affected by massive flow separation in the stern region.
The massive flow of regular campaign funds to both campaigns makes it all the more distressing that each side is now also raising largely unregulated donations or soft money.
Corruption, tax dodging by rich individuals and domestic companies, and tax dodging by multinational businesses all result in a massive flow of "illicit capital" out of developing countries that exceeds the aid they receive from rich nations.
"There is a massive flow of money into the United States," said Ian Gunner, a currency analyst in London with ABN Amro, "and that has become a major new influence in the past two years".
