The idea here is that the object behind the interaction is anonymous and any object of that class could take part in the interaction.
它的含义是，交互背后的对象是匿名的，该类的任何对象都可以参与到交互中。
The idea here is that the object behind the interaction is anonymous and any object of that class could take part in the interaction.
它的含义是，交互背后的对象是匿名的，该类的任何对象都可以参与到交互中。
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