"vast advantages" is correct and usable in written English.
It is a phrase that typically means great or significant benefits or perks. Example: The implementation of this new technology has provided our company with vast advantages, such as increased efficiency and cost savings.
It would be a tall order under normal circumstances, given the vast advantages of incumbency.
Adobe, however, points out that rental customers gain vast advantages over the old "you buy it" system.
Though the opposition is more united than in the past, the charismatic Mr. Chávez still has vast advantages over any opponent, including control of an enormous pot of money from the state-run oil industry, social programs that pour money into poor neighborhoods and a ubiquitous propaganda machine that turns almost every government program into an advertisement for the president.
View Recorrido de los candidatos presidenciales in a larger map Though the opposition this time is united under the vibrant Mr. Capriles, Mr. Chávez still has vast advantages, including tight control over a state apparatus that includes the coffers of the national oil company PDVSA.
VCSELs have attracted attention in optical communication due to its vast advantages; low power consumption, relatively cheap costs among others.
Despite the vast advantages of this technique, the use of ultrasound in the synthesis of organic compounds is not fully developed.
It does not cover smaller tactical nuclear weapons, where Russia has a vast advantage.
As every single poll gives Tusk a vast advantage over Kaczynski, the latter has to convince the voters that he is a politician of the centre, and not of the extremes.
Underlining the unease in Japan about China's military spending and technical progress, the report said the Chinese held a vast advantage in sheer numbers of vessels and planes.
Instead, its search engine gives vast advantage to the largest recipe websites with the resources to input all this metadata, and particularly those who home in on "quick and easy" and low calorie dishes.
For others of us, this is hard to understand, since the regime's side has the vast advantage in weaponry.
