Sentence examples for users at a loss from inspiring English sources

So is Google Music Search intended to make money, or bring in more users at a loss?

The footage has gone viral on Chinese social media in recent days but users are at a loss to explain exactly when and where the incident occurred.

Databases are a tricky business: too little information and they have no use; too much and the user is at a loss as to what is relevant and what may be background noise.

Spotify has more than 140 million active users but continues to operate at a loss.

Users who didn't grow up with command line-driven operating systems may find themselves at a loss when faced with a blank screen and a blinking cursor.

"I'm at a loss".

I was at a loss.

Mary Adams was at a loss.

He felt at a loss.

"We were at a loss".

My parents were at a loss.