Sentence examples for use is optional from inspiring English sources
Smartphone use is optional, which is good for the little ones.
Its use is optional and is included in the Supported header so that the client can indicate she supports the reception of payment requests once the session is established.
In our study we found that few departments provide information to staff on when and how to work with professional interpreters, which reinforces the sentiment that their use is optional and not essential for quality care.
Its use was optional for teachers during the pilot and field tests.
CDSS use was optional for the physicians with no incentives for its use.
During this pilot phase, iCAL-SURG use was optional and did not form part of the assessment process for students.
Depending on the aim of the analysis, use of this trap tube is optional.
Its use today is optional.
The player controls Mario (or later in the game, his brother Luigi, though using him is optional), who has special abilities such as the "Spin" attack, long jump, wall jumps, and a variety of somersaults.
Note that using "hours" is optional.
