This is because the period during which the product is likely to be read or referred to is too short to repay a large allocation of scarce time and skill in its production. (slaw.ca)
You might expect that if we asked teachers in these schools to commit scarce time to working with colleagues on teams, they would respond with skepticism, even resentment. (ascd.org)
Principals who are looking for ways to ex tend the currently scarce time for science may want to identify STEM afterschool programs that complement — without mimicking — their math and science curricula. (naesp.org)