A more thorough explanation:

Definition: The corps diplomatique refers to the group of diplomats who represent their respective countries in foreign countries. It is also known as the diplomatic corps.

Example: The United Nations has a large corps diplomatique, with representatives from almost every country in the world.

Explanation: The example illustrates how the corps diplomatique is made up of diplomats from different countries who work together to represent their countries' interests in foreign countries. The United Nations is a good example of this, as it brings together diplomats from all over the world to work towards common goals.