Optional
volume
British pronunciation/ˈɒpʃənə‍l/
American pronunciation/ˈɑpʃənəɫ/, /ˈɔpʃənəɫ/

Định Nghĩa và Ý Nghĩa của "optional"

optional
01

tùy chọn, không bắt buộc

available or possible to choose but not required or forced
Optional
01

tùy chọn, môn học tự chọn

something that is not required or mandatory, especially in an academic setting

optional

adj

option

n

opt

v

optionally

adv

optionally

adv
example
Ví dụ
The school offers optional extracurricular activities such as chess club and drama club after school.
The elective course in photography is optional for students majoring in business administration.
The final project is optional, but many students choose to complete it for extra credit.
The homework assignment is optional, but completing it will help reinforce the concepts learned in class.
The SAT consists of sections on reading, writing and language, and math, along with an optional essay.
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