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base something on something

phrasal verb with base
 
 /beɪs/ verb [T always + adv/prep]

Definition

to use information to support or prove an opinion or belief: We based our decision on the facts in the report. If you base a story, painting, or other work on something else, you use the other thing as the main idea for creating the story: The book is based on the life of abolitionist John Brown.
(Definition of base something on something from the Cambridge Academic Content Dictionary © Cambridge University Press)
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