Calculating fractions is difficult.

This public document contains important information.

He wrote ancient poems using written language.

Intermolecular forces are an important factor in determining the properties of a substance.

Japan's civilization and enlightenment progressed by incorporating Western culture and technology.

He was confused after reading the bizarre document.

This text is written according to the principle of unity of spoken and written language.

Binary search is one of the efficient search algorithms.

By conducting self-analysis, you can understand your own strengths and weaknesses.

The airplane disintegrated in mid-air.