双边 (shuāng biān): ทวิภาคี

This trade negotiation is bilateral, with only representatives from China and Australia attending.

The two countries signed a bilateral agreement, deciding to mutually lower tariffs and promote economic development.

This bilateral cooperation project involves education and technology, with both sides sending exchange students and researchers each year.

In the bilateral talks, the leaders of the two countries discussed issues of common concern such as climate change and counter-terrorism.

This company is committed to developing bilateral trade, simultaneously importing coffee beans from Vietnam and exporting machinery to Vietnam.