The phrase "significant investment" means putting a large amount of money, time, and effort into something with the expectation of getting a valuable return or outcome. Full definition
During the same time span, both countries also made significant investments in public education. (educationnext.org)
This accounting change may result in significant investments of time and resources to ensure that companies are ready to implement the requirements under this standard. (fooddrink-magazine.com)
Unfortunately, finding these opportunities in the Canadian market requires significant investment of time and energy and is beyond the scope of this article. (creditwalk.ca)