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I don't know. vs I am unsure.

I don't know. vs I am unsure. which is much better to use in a sentence. Which is more popular in English form?

Looking on the internet deeply has found these results:

I don't know. is the most popular phrase on the web.

I am unsure.

1306,000 results on the web

I don't know.

159,800,000 results on the web

More popular!

Some examples and use cases from the internet:

Some examples and use cases from the internet:

  • I am having Existential Depression and I am unsure how to deal with it.... chelsieshay 14 days ago 3 Replies. I am stuck in a strong existential depression.
  • I am unsure about something. Can I ask you a question before signing up? Of course! We are happy to answer any questions. Just use the contact form to send  ...
  • (usually postpositive) without sure knowledge; uncertain: unsure of her agreement. 3. precarious; insecure. 4. not certain or reliable. Collins English Dictionary ...
  • I am unsure if this is the most important budget in our country's recent history or if the distinction more rightly belongs to our government's first budget which set ...
  • May 29, 2014 ... I Don't Know
  • Med School Parody of "Let It Go" from Frozen (University of Chicago Pritzker SOM). Beanie Meadow. SubscribeSubscribed ...
  • Feb 6, 2015 ... I don't know what I just saw! Or who funded it! Or what channel I'm on! Or what app I'm using! Or what this boxy thing is! Why does the box ...
  • Feb 16, 2015 ... And though it feels tempting, avoid saying “I don't know.” What feels like a conclusive statement to you actually sounds like ellipses to your team ...
  • And though it feels tempting, avoid saying “I don't know.” What feels like a conclusive statement to you actually sounds like ellipses to your team. It leaves them ...

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