We've long assumed that one calculation or the other must be wrong.

They have long assumed that synthetic life would one day be common.

Many districts have long assumed, based on research, that it takes seven years to bring students who speak no English to full fluency.

The researchers found little evidence that several factors long assumed to be important in lifelong psychological development had much effect on well-being at 65.

Many cancer specialists have long assumed that being in a clinical trial leads to a better outcome.

Nor is it as strongly influenced by culture as many have long assumed.

This is indeed what most scholars have long assumed, but newly declassified documents provide a different story.

I have long assumed I was in a minority about this, and so have kept it to myself.

The markets have long assumed this was coming, so may already have absorbed the impact on France's cost of borrowing.

The industry has long assumed that opening the waste repository would change the politics and make a new plant more palatable for communities.