The balance of his bank account is zero.

We should always remember the power of Kannon in difficult times.

Please loosen this screw using a flathead screwdriver.

I think this project needs further improvement or addition.

This project includes not only basic functions but also additional elements.

Please tighten this screw using a Phillips screwdriver.

In order to solve this problem, you need to understand the concept of the zero vector.

What we should aim for is a society with zero COVID.

My grades are plus-minus zero.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.