The business focused on hit singles at the expense of complete albums and careers.
He said universities focus too much on research at the expense of teaching.
It is important not to focus on the design of your site at the expense of its usability.
Consequently, the publishers were increasingly demanding stories that would focus on Thomas at the expense of other characters.
He had been too focused on legal theory at the expense of practical reality, he wrote.
"It is a terrible mistake to focus too much time and attention on one area or issue at the expense of others."
We have focused our further education on too many airy-fairy subjects at the expense of skills.
Too many universities are still worrying about their academic independence and focusing too much on knowledge at the expense of skills.
Both individuals and groups may engage in office politics which can be highly destructive, as people focus on personal gains at the expense of the organization.
And the vagaries of casting determine which characters you're going to focus on at the expense of the others.