타당성

To keep something in mind, to pay attention to, or to be mindful of a fact or warning. It is used in formal instructions or academic conclusions.

To encounter or face a difficult situation, obstacle, or crisis. It is a more formal and academic way to say 'face a problem' in IELTS Task 2 essays.

To list, arrange, or enumerate things in a row or sequence. It is a useful word for describing how information is presented in a text or for organizing points in an essay.

To be heated up. Figuratively, it means for a competition, discussion, or atmosphere to become more intense or 'heated'.

To abbreviate, shorten, or condense a long text, word, or sentence into a shorter version while keeping the main meaning.

To have no relation or connection with something; to be irrelevant. It is a very common academic word used to dismiss irrelevant factors in a study or essay.

The state of being relevant or applicable; often used as a prefix to mean 'the relevant' or 'the said' thing.

For a certain action, event, or condition to take place or exist before another. It implies a prerequisite relationship.

To conclude or judge something definitively, often based on limited information or a firm belief.

To be contrary to, to conflict with, or to be inconsistent with something else (like opinions, interests, or facts).