bedrock

Từ điển Việt Anh Việt 4in1 - English Vietnamese 4 in 1 Dictionary

bed‧rock /ˈbedrɒk $ -rɑːk/ BrE AmE noun
1. [singular] the basic ideas, features, or facts on which something is based:
Marriage and children are the bedrock of family life.
2. [uncountable] solid rock in the ground below soil or sand
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THESAURUS
▪ basis the facts, ideas, things etc from which something can be developed: His work will be used as a basis for future research.
▪ foundation the thing on which something is based, especially something important that continues for a long time: Their ideas were the foundation for the political system that exists in the UK today. | How can we provide a solid foundation for world peace?
▪ bedrock the most important thing that something depends on in order to be successful: Honesty is the bedrock of any healthy relationship. | Labour’s traditional bedrock of support is among the working classes.
▪ cornerstone the most important thing that something depends on in order to be successful, especially in business and politics: Confidence is the cornerstone of our business. | NATO remains a cornerstone of defence policy for Europe.