Vitamin B1 plays an important role in energy production.

I don't know a thing about him.

Neurotransmitters are responsible for transmitting information between nerve cells.

Chemotransmitters play an important role in the transmission of information between nerve cells.

Sufficient caution is necessary when handling radioactive materials.

We plan to hold the meeting in Western European Time.

We will start the meeting at 3 p.m. Central European Time.

I will start the meeting at 9 a.m. Eastern European Time.

This system enables real-time operation.

The time complexity of this algorithm is O(n).