necessity

[bì xū pǐn]

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necessity In the concept of economics, it is considered as Lack of elasticity Needs.

Such as food, fuel, clothing public utility and medical service They are all necessities.^[1]

Chinese name: necessity
Foreign name: Necessaries consumer goods; necessaries; requirement

Pinyin: bì xū pǐn
Phonetic transcription: ㄅㄧˋ ㄒㄩㄆㄧㄣˇ

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necessity.

In foreign countries, there is a special meaning in law, especially in Maritime action Medium.

Generally, it refers to the goods, materials (and repair services in some cases) provided for the operation or maintenance of the ship. Each jurisdiction has different requirements for the special grade of goods, materials and services defined as necessities, but in general, necessities include the following items: fuels, supplies repair cost ( repairs ）, towages and stevedoring. In the United States, 46 U.S.C. §§ 31301 (4) and 31342 allow necessities to have Maritime lien , while in the UK Canada And others Commonwealth The state, only when the necessary goods are delivered from the ship by the master within the scope of his authority Port of registry A maritime lien may be granted only when the order is made for the purpose of maintaining the ship or completing the voyage. In economics, necessity is defined as demand Lack of elasticity Products of.

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Zhu Ziqing Miscellaneous Notes on Returning: "Apart from food, daily life necessity It seems that it is not too little. "

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