Focus on the pronunciation of additional
English definition of “additional”
/əˈdɪʃənəl/ adjective [before noun]
› extra: We plan to open an additional 10 to 12 stores next year. There will be no additional charge for this service. an additional $50,000/£1million/€35 billion, etc.
› ENVIRONMENT resulting in a reduction in the amount of carbon dioxide gas that is released into the environment, which would not have happened without trading carbon credits: Would the project have been implemented, even without the sales of the carbon offsets? If the answer is yes, the project is not “additional.”