They are twin brothers.

They (referring to women or girls) are my best friends.

We believe that we are tied together by a red thread.

It is important to stock up on food before an earthquake.

Because an earthquake forecast was issued, I stocked up on food.

He decided to buy a new car on credit.

He bought all the new comics in bulk.

He bought all the new comics in bulk, like an adult.

He bought too much on credit, and his debt increased.

He bought a new car on credit.