"enlarge opportunities" is correct and usable in written English.
You can use it to describe the potential for positive change, typically through a greater variety of choices or options. For example, "The new business program is designed to enlarge opportunities for entrepreneurs in our community."
Everyone knows that education boosts productivity and enlarges opportunities, so it is natural that proposals for reducing inequality emphasize effective education for all.
We are convinced that enlarging opportunities and removing impediments to free and normal contacts between our people and strengthening the rule of law is essential to breaking down old barriers and stereotypes and to promoting broader exchange among people and partnerships in the arts, education, science, media and sports.
Obama's contribution to fighting inequality and enlarging opportunity is already law, a historic one — the Affordable Care Act.
In primary care this could offer greater potential to directly engage those with low awareness or not considering pregnancy, while enlarging opportunity for others who may be seeking to conceive.
I look forward to an America which will steadily raise the standards of artistic accomplishment and which will steadily enlarge cultural opportunities for all of our citizens.
Our study was designed to ascertain whether ionising radiation can upregulate poorly expressed targets and thus enlarge the opportunities for therapeutic mAbs.
Winston Churchill argued that it enlarges "the opportunities for the pursuit of health and happiness among the millions of people who live in this country" and pundits have dubbed it "Daylight Slaving Time".
The fiber trajectories are allowed to deviate from geodesics and the slippage coefficient is introduced to enlarge the design opportunities of toroidal pressure vessels.
Instead of enlarging the opportunity to reveal a world in which Africans are taking to WhatsApp by the millions, for example, his simplification was flawed in its quest to hype an imaginary scramble for Africa.
