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.
Their cumulative and long term effects are predictable and likely insubstantial.
The woman is wearing a sweater.
I don't care about resale value, I care about quality and brand.
a dog jumps
Nobody is standing.
two men are walking
The girl is having a drink.