Be prepared to devote a significant number of years to attaining this level of leadership. (canadianbusiness.com)
The test is always quantitative: does the restaurant generate a return on investment that is significantly above the opportunity cost of capital and does that last for a significant number of years? (25iq.com)
The extension of life may not represent a significant number of years lived but rather an improved quality of life or healthspan.» (ergo-log.com)