名词
1. 基本原则；基本规律
If something is done on a particular basis, it is done according to that method, system, or principle.
2. （行事的）理由，根据
If you say that you are acting on the basis of something, you are giving that as the reason for your action.
3. 基础；起点
The basis of something is its starting point or an important part of it from which it can be further developed.
4. 依据；根据
The basis for something is a fact or argument that you can use to prove or justify it.
1. the fundamental assumptions from which something is begun or developed or calculated or explained
e.g. the whole argument rested on a basis of conjecture
Synonym: basefoundationfundamentgroundworkcornerstone
2. a relation that provides the foundation for something
e.g. they were on a friendly footing
he worked on an interim basis
3. the most important or necessary part of something
e.g. the basis of this drink is orange juice
Synonym: base