rivalry

競争、ライバル関係

人や集団が、相手より優れていようと競い続ける関係。

やさしい英語で： A relationship in which people or groups keep competing to be better than each other.

• There is rivalry between the two teams.
• Their childhood rivalry continued into adulthood.
• A fierce rivalry developed over the top position.

使い方： rivalry between A and B (The rivalry between the schools lasted for years.); rivalry with someone/something (Their rivalry with the neighbouring club grew stronger.)

類義語： competition

反対語： cooperation

よく使う表現： rivalry between teams, sibling rivalry, fierce rivalry

消費の競合性

一人が使った分は、ほかの人が使えなくなるという物の性質。

やさしい英語で： The quality of a product whose use by one person prevents others from using the same amount.

• Economists distinguish goods by rivalry and exclusion.
• Rivalry in consumption affects how resources are shared.
• Digital copies can reduce rivalry in the use of information.

類義語： rivalrousness

反対語： non-rivalry

よく使う表現： rivalry in consumption, resource rivalry