optional 的定义
- left to one's choice; not required or mandatory: Formal dress is optional.
- leaving something to choice.
optional 近义词
possible; available as choice
更多optional例句
- The Streambar includes all necessary cables as well as a dedicated Roku remote control, and an optional dedicated subwoofer bundle is also available for those who want to push their sound even further.
- Each hut accommodates 12 riders and has a grill, an e-bike charging station, and optional beer delivery.
- In December, though, Borden told KPBS the union would negotiate to keep teachers who declined a vaccine employed, and she this month signaled her support for keeping them optional during a hearing before a state Senate education hearing.
- However, as masks are optional, you may not want to accept anyway.
- Even before the pandemic, the subject tests and the optional essay were losing influence.
- Sure, taking sexy pictures—like having sex itself—is, technically speaking, optional.
- Van Zant was echoing a growing sentiment of paranoia and fear sparked by the optional public education standards program.
- When I ask why she wears a veil in a society where it's optional, Sakdiyah explains how it frees her.
- Preparing for retirement is “the why of politics, not merely optional dirty work.”
- Then you may be delighted to learn that the essay portion of the SAT is now optional.
- On nearly all railways retirement is optional at sixty and compulsory at sixty-five.
- Local school and capitation taxes were optional with each county and public school district.
- After they have a school certificate, entrance to the works is optional.
- It is entirely optional; you have only to take it quietly or go to jail.
- Civil engineering and political economy are the only optional studies with the women.