I was unfamiliar with many of the agencies, ... The interviews filled in a lot of gaps.

Some agencies have recommended that ECT be restricted in use because of perceived gaps in knowledge regarding it effects of health-related quality of life.

I know other estate agencies who used to go round with a vase of fake flowers in the back of the car. But it got a bit obvious when the same flowers kept turning up in all the details.

It's a great strain because you just find yourself in unfamiliar territory.

has too many gaps and ambiguities.

to fill in the gaps.