Word form, Antonym, Synonym"must (noun)"trong tiếng anh

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1. Requirement

• Definition: Something that is necessary or obligatory.
• Example sentence: Having a valid passport is a requirement for international travel.

2. Obligation

• Definition: A duty or commitment that someone is legally or morally bound to fulfill.
• Example sentence: Paying taxes is an obligation for every citizen.

3. Necessity

• Definition: Something that is essential or indispensable.
• Example sentence: Water is a necessity for all living organisms.>> Form đăng kí giải đề thi thật IELTS 4 kĩ năng kèm bài giải bộ đề 100 đề PART 2 IELTS SPEAKING quý đang thi (update hàng tuần) từ IELTS TUTOR    

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1. Option

• Definition: Something that is available as a choice but not required.
• Example sentence: Attending the seminar is an option, not a must.

2. Luxury

• Definition: A state of great comfort or extravagant living, which is not necessary but desirable.
• Example sentence: Owning a yacht is a luxury, not a necessity.

3. Non-essential

• Definition: Something that is not absolutely necessary.
• Example sentence: The extra features on the phone are non-essential; the basic model works just fine.

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1. Musty (adjective)

• Definition: Having a stale, damp, or moldy smell.
• Example sentence: The basement had a musty odor after being closed up for months.

2. Must-have (noun/adjective)

• Definition: Something considered essential or indispensable.
• Example sentence: A high-quality backpack is a must-have for long-distance hikers.

3. Mustiness (noun)

• Definition: The quality or state of being musty or having a stale odor.
• Example sentence: The mustiness in the old library made it clear that it hadn’t been ventilated for years.