So lambda expressions bring with them another friend - expanded type inference through target typing.

所以，lambda表达式带来了另一个相关功能，即通过目标类型化(target typing)实现的扩展类型推断。

youdao

The alias is expanded from what you type to its expansion.

别名从您键入的内容展开为其展开形式。

youdao

In other words, if the set of possible values of the new type is a superset of that of the old type, then you have expanded the type.

换一种说法，如果新类型的可能值是旧类型的超集，那么您就已经对类型进行了扩展。

youdao

Today Facebook has expanded that to any type of app that wants to publish to Facebook.

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