Substitution

Can we make a substitution?

Is Algeria really following a policy of import substitution?

There is a widespread opinion that all study of the mode of oratory is unmanly, and leads to the substitution of artifice and adornment for simplicity and power.

Altho this substitution of assonance for rime is uncommon in the more literary lyrics, which we may suppose to have been composed with the pen, it is still frequently to be found in the popular song, born on the lips of the singer, and set down in black and white only as an afterthought.

No one will notice the substitution.

You all learned way back in calculus that you can do integration by substitution. Remember that?

Tom is on buprenorphine substitution therapy.

In this football tournament, three substitutions can be made during the match.

Gary is off this weekend, so Jeff will be his substitution.