✔ 最佳答案
Conflict - two incompatible items/situations
Contradiction - two logically incompatible items
For example:
John: Mary, are you free on Monday?
Mary: I'm sorry that I have a conflict. I am meeting with Karen on Monday.
John: Oh. When are you meeting with Karen?
Mary: On Tuesday.
John: Isn't that a contradiction of what you have just said?