The content of this book is very high quality.

The demand of the market is always changing.

Believing that failure is a stepping stone to success, he challenged again.

My younger brother loves motocross and works hard at practice every weekend.

I use yeast to make bread.

This plan was made based on facts.

He turned thirty years old.

This picture is fixed to the frame.

This plant needs oxygen to perform photosynthesis.

In this story, Zuan is the protagonist, and his adventure continues.