I see.

Say this when someone has explained something new to you and you've understood it. For example:

A: There are twenty different species of snakes living on this island.

B: I see.

You can especially use "I see" when some information disappoints you:

A: Can I get two tickets to see "Much Ado About Nothing?"

B: Sorry, sir, we're sold out.

A: Ah, I see.

This phrase appears in these lessons: