Sentence examples for is only optional from inspiring English sources
Although highly recommended, it is only optional and is not required for this course.
The collateralization ratio is realized ((mathrm{DIF} =0)) for redemption in the majority of the cases, which is intuitive considering that redemption is only optional for BAG.
For the concise intervention, education for nurses is only optional and will be carried out by the nominated key nurses who will receive additional train-the-trainer education.
The ghee is only optional.
This feature is only optional.
Although other voice-controlled software assistants, such as Apple's Siri and Microsoft's Cortana, pre-date Alexa, these are only optional interfaces.
Government departments have been required since 2014 to ask detailed questions about tax to would-be bidders for contracts worth over £5m, but the regulations are only optional for local authorities.
The craft gems are only optional.
The lemon and salt are only optional.
Note that rhinestone decorations are only optional.
