optionally
/ˈɒp.ʃən.əl.i/ (bre, ipa) · /ˈɑːp.ʃən.əl.i/ (ame, ipa)
optionally — 副詞
1. in a way that lets a person add, do, or buy something only if they decide to, ra
可自行決定
依需要選擇是否加入或進行
in a way that lets a person add, do, or buy something only if they decide to, rather than as a required part of the process
You can optionally add lemon to the soup before serving it.
上桌前，你可以自行決定要不要在湯裡加檸檬。
optionally + add + ingredient
The form lets parents optionally list a second phone number.
這張表格讓家長可自行決定是否填第二支電話。
optionally before the main verb in instructions
At checkout, Hugo could optionally buy gift wrapping for the toy.
結帳時，Hugo 可自行決定是否替那份玩具加購禮品包裝。
A second photo can optionally be uploaded with the report.
提交報告時，可自行決定是否另外上傳第二張照片。
Charlotte could optionally reserve a window seat when booking her ticket.
Charlotte 訂票時可自行決定是否預訂靠窗座位。
- if desired
close in meaning but more typical in polite instructions and notices.
- at your discretion
more formal and often used when a person in authority may decide.
- by choice
plain English phrase that stresses free decision rather than system wording.
- compulsorily
formal opposite meaning required by a rule.
- mandatorily
used in official or technical contexts for something that must be done.
文法句型
can optionally + verb
optionally + passive verb
optionally add / include / upload
用法筆記
Common in instructions, forms, recipes, and software settings. It usually appears before the main verb and often signals an extra step or feature that a user may include. Distinguish from maybe or possibly, which talk about uncertainty rather than choice.