His success is relative to his efforts.

I need your help.

During the era of Emperor Zhenzong, Chinese culture greatly developed.

She was reading a book by the window.

She attended the party in Western clothing.

Various types of wild grass are growing in this park.

This twin crystal has a very unusual shape.

He was exhausted from the long-standing legal dispute.

The beauty of this flower is due to its perfect symmetry.

This beautiful twin crystal is one of the wonders of nature.