当然 (dāng rán): 当然；当然のこと；確かに；もちろん；疑いなく；もちろん；確かに；当然；疑いなく；当然；当然のこと

You can of course come to my birthday party.

He certainly knows the answer to this question.

Of course, I will help you.

This piece of clothing is certainly expensive, but the quality is very good.

—Can you help me? —Of course!