The so-called Shinkansen refers to Japan's high-speed railway.

He doesn't need to unnecessarily take on a fight.

He decided to buy a new car on credit.

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

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

He bought all the new comics in bulk.

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

That remark earned him frowns from those around him.

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

He bought a new car on credit.