To use Delegate, you need to attach some function to it.

要使用委派，你需要一些附加功能，给它。

youdao

Do I need to inherit all of my classes, or do I need to use delegate or should I maintain categories?

我需要继承我所有的类，或我需要使用委托或我应该维护类别吗？

youdao

Use the .Compile() method to turn the expression tree into a delegate so that you can execute it.

用 .Compile() 方法去将一个表达式树转换为一个委托，然后你可以执行它。

youdao

Use our delegate calculator to see what combination of wins will propel your candidate (or your candidate's opponent) to victory.

FORBES: How Can Obama Or Clinton Win The Nomination? You Decide!