The Dow Jones Industrial Average has dropped significantly.

Greenwich Mean Time is the standard that determines the time of the world.

He started a new business, but as the proverb 'the road to happiness is strewn with setbacks' suggests, he is facing many difficulties.

He is deeply studying the teachings of Prajnaparamita.

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

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

Stoichiometry is a method for calculating the amount of substances in a chemical reaction.

If cardiac output decreases, blood flow throughout the body worsens.

Let's use a radiation dosimeter to measure the radiation levels in this area.

The concept of chemical equivalent is essential for understanding chemical reactions.