Carbon monoxide is a colorless, odorless gas, and it is dangerous to inhale.

Carbon dioxide is one of the main causes of global warming.

He works at a non-governmental organization.

This country has fallen into anarchy.

He deeply sympathizes with the principles of anarchism.

When the value-added tax rate increases, the burden on consumers also increases.

My personal income tax increased this year.

I pay property tax every year.

Paying the urban planning tax is a citizen's duty.

We have to pay property tax every year.