What is the difference Overt Covert discrimination?examples to support your answer.

Overt discrimination is open discrimination or is a clear form of prejudice. For example, some companies make it clear that they won’t employ anyone who are married or who are over thirty years old….
Covert discrimination is a kind of discrimination not openly shown and it’s hard to determine because it is very subtle. For example, if your boss invites all your colleagues to lunch except you, it is hard to know if it is because he’s known each other for a longer time, because he doesn’t like you or because they are uncomfortable with people who speak your dialect or anything.

明显的区别是什么?举例子来证明你的回答!

不懂~~