v.replace; act as a substitute for; substitute A for B and take the place of B
We eat plenty of vegetables in substitution for fruits.
He replaced his brother as goalkeeper.
He is unable to go. Could you make the trip in his stead?
look for a replacement
do someone else's job on their behalf
Heavy manual work has been replaced by machinery.
In some surgical operations, acupuncture anaesthesia may be used instead of medicinal anaesthetics.
substitute honey for sugar
replace words with deeds
Lao Zhang was called back to the team to replace the injured comrade.
Who do you suppose will replace her on the show?