It's a big subject that's become more relevant to everybody.

But that was not a big subject of conversation on the trains this morning.

What I'm saying is some things are my big subjects.

He seems content, at least for the time being, to be taking on big, entertaining subjects.

Enormous scientific advances have been made in these big subjects.

"I know it's a big subject so you've got to pick out some attractive and interesting aspects."

Religion is going to be the big subject until the end of my life.

But the big, bright subject in this section is light itself.

At town meetings, big subjects like Iraq and the deficits barely come up.

For some time now, the big subjects of European and American art have been very different.