Their cumulative and longer term effects, however, some of which may be largely unknown at this time, may be substantial.
While we don't know what the longer term effects may be, they're likely to be substantial.
yeah that makes such a difference that's the way it is at my daughter's nursery school too and i think that really makes a difference they're in it because it's a profession not because it's a job they could get because they didn't qualify for anything else you know