In particular, because many methods of types in the System.Linq namespace have Func parameters, you can pass these methods a lambda expression without explicitly instantiating a Func delegate.

• 尤其是；因为System.；Linq命名空间中许多类型方法具有[Func]参数；因此可以给这些方法传递lambda表达式；而不用显式实例化[Func]委托。