additional
US /əˈdɪʃ.ən.əl/
UK /əˈdɪʃ.ən.əl/

1.
額外的, 附加的
added, extra, or supplementary to what is already present or available
:
•
We need additional information before we can proceed.
在繼續之前,我們需要額外的資訊。
•
There will be an additional charge for delivery.
送貨將收取額外費用。