Is that expression right? [closed]

If we want to explain how important a topic is, can we say:

No doubt that this topic is important.


Solution 1:

It's common to use 'no doubt' alone as it's a phrase:

no doubt

: DOUBTLESS  (https://www.merriam-webster.com/dictionary/no%20doubt)

Look at some examples from Reverso.context.net:

"Godfrey's doing cartwheels, no doubt."

"Somebody this socially isolated no doubt has mental issues."

"Lessons can no doubt be learned from compliance procedures applied by other conventions."