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仮説とは、ある現象を説明するために、真偽はともかくとして、とりあえず設定した仮の答えのことです。科学的方法の出発点となり、実験や観察によって検証される必要があります。

The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.

A fundamental and sudden change in political power or social structure, often involving a shift in governance. It also refers to a major, transformative shift in technology, thought, or a specific field that completely alters how things are done.

The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).

The act of selling goods or services to customers, typically within a commercial or professional context. It refers to the business process of making items available for purchase.

A transaction or business deal involving the exchange of money, goods, or services. It refers to the process of doing business with another party or making a trade.

The act of saving money or the amount of money saved, typically in a bank or a piggy bank. It refers to setting aside funds for future use rather than spending them immediately.

A sum of money that is borrowed from a person or an institution and is expected to be paid back. It refers to the state of owing money or the specific amount of debt accumulated.

Refers to the financial profit a company or individual makes after deducting expenses. It also describes a general benefit, advantage, or gain that someone receives from a situation or action.

A formal noun referring to the loss of something valuable, such as money, property, or time. It is commonly used in business or serious contexts to describe a reduction in value or a disadvantageous outcome.