introduced

the teacher introduced a new method of learning.

she introduced her friend to the group.

the company introduced a new product line.

he introduced a bill to improve public transportation.

the speaker introduced the topic with an interesting story.

they introduced changes to the existing policy.

the scientist introduced a groundbreaking theory.

the festival introduced local artists to the community.

our manager introduced us to new software tools.

she introduced her research findings at the conference.