He is majoring in syntax at university.

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.

We conducted a meta-analysis on this issue.

It is important for us to respect cultural diversity and understand each other's differences.

He carefully reread the judgment document.

Calculating fractions is difficult.