course

n. course;? route;? direction of action;? a dish

vt. flow quickly;? rush;? run through;? Chase

vi. To move forward in... (direction); to guide the course; to run fast; to move quickly

The two communities are now on a collision course.

There is now a possibility of conflict between the two communities.

I am very happy to answer your questions as soon as possible, and I wish you progress in your studies

If you have any questions, please ask in time, thank you~~O(∩_∩)O