必須

Being lawful, fair, or based on a logical or moral reason; legitimate.

Duplication, overlap, or repetition. It refers to situations where the same thing exists in multiple places or happens more than once unnecessarily.

A noun referring to a difference, gap, or margin between two or more things. It is frequently used to describe disparities in quantity, quality, time, or ability.

A distinctive feature, characteristic, or trait that makes someone or something stand out from others. It is used to describe physical appearances, personality traits, or qualities of objects.

Nouryoku refers to the mental or physical power, skill, or capacity required to perform a specific task or function. It can describe both innate talent and skills acquired through learning and practice.

The result or impact produced by an action, treatment, or cause. It is used to describe how well something works or the specific outcome achieved through effort or influence.

The power or effect that someone or something has on the actions, behavior, or opinions of others. It describes how one thing can cause a change or produce a result in another thing, whether positive or negative.

Kekka refers to the outcome, effect, or consequence of an action, process, or event. It is used to describe what happens at the end of a situation, such as the score of a game or the marks on an exam.

Mokuteki refers to the specific reason or goal someone has in mind when performing an action. It describes the 'purpose' or 'objective' one hopes to achieve in the future.

Refers to something that is common, standard, or applicable to a broad group of people or situations. It is often used to describe general opinions, methods, or facts that are widely accepted by society.