This book, which is missing a large proportion of its scrolls, is a 'zero book'.

The greater part of the time is spent on work.

His mobile phone screen is damaged.

He carefully opened the old scroll.

It's difficult to solve a part of this problem.

His test score was zero.

It's zero degrees outside.

Rei, where are you going today?

Zero is used to represent absolute zero.

I achieved a big success.