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

The United Nations Environment Programme is providing solutions to global environmental problems.

Linear programming is a part of operations research and is used to find the optimal solution.

He joined the multi-level marketing business.

I bought a drink from the vending machine.

I'm sorry, but I don't speak Japanese.

I'm a Muslim, so I fast during Ramadan.

I'm Jewish.

Will you marry me?

"Do you want to have a meal? Take a bath? Or choose me?" she said jokingly.