Understanding the essence of a problem is crucial for finding a solution.

Historically, this city has been a center of trade and commerce.

She tried to conceal her excitement when she saw the surprise party.

I need to check the timetable for the train.

The prehistoric era was a time before written records.

The provider of the service was very helpful.

The unsecured door allowed anyone to enter the building.

Hitherto, she had never encountered such a challenging task in her career.

The new movie is expected to appeal to a mainstream audience.

I need to update the ledger with the latest transactions.