Sentence examples for machine is optional from inspiring English sources

Three, the machine is optional, so far.

A coffee machine is optional.

You can make this belt with a bit of cut and paste, and the sewing machine bit is optional.

Sensitivity is optional.

Digitization is optional.

Sugar is optional.

Cutlery is optional.

(Power operation is optional).

Sex is optional".

"All else is optional").

Makeup is optional.