必須

Refers to something that is wasteful, useless, or futile. It describes actions, efforts, or resources that do not produce a useful result or are unnecessary.

Progress or improvement, specifically describing a forward movement in skills, technology, or society. It refers to the process of becoming more advanced, effective, or better over time.

Ruiji refers to the state where two or more things resemble each other in appearance, nature, or quality. It is a formal way to describe similarities or common traits between objects or ideas.

The act of putting a theory, idea, or plan into actual practice or action. It emphasizes the movement from abstract thought or knowledge to real-world application.

The act of using a service, facility, or resource effectively to achieve a specific purpose. It often implies making good use of something or taking advantage of a system provided to the public.

The act of employing or utilizing an object, tool, or facility for a specific purpose. It is a formal or neutral term commonly found in instructions, public signs, and professional documentation.

The substance, essence, or specific details contained within something such as a book, speech, or document. It refers to what a subject consists of rather than its outward appearance or form.

A word used to describe something that deviates from the normal state, standard, or expected pattern. It often implies a problem, malfunction, or an extraordinary occurrence that requires attention or investigation.

Refers to the current condition, status, or appearance of a person, object, or situation. It describes how something is at a specific moment in time.

The word 'baai' refers to a specific situation, case, or circumstance. It is frequently used as a noun to set a condition, similar to saying 'in the event of' or 'if' in English.