Phrases d'exemple en Anglais avec « substituting »

They are substituting word processors for typewriters.

Substituting textbooks and handouts with hand-held computers could actually save money in the long run.

Mr Bakir was substituting for our math teacher.

The only alterations made in these letters (intended only for the home circle) has been in substituting fictitious names for those of friends.

Edmundo was substituting for a Russian teacher.