今天要学习的第一个短语叫a knuckle sandwich. 指关节做成的三明治。其实就是狠揍某人，用拳头揍某人的意思。Angry drivers are giving each other knuckle sandwiches on the road, which is known as road rage. 😤🌚

今天要学习的第二个短语叫the upper crust. 上层社会，上层阶级。He, as the CEO of a large corporate, definitely belongs to the upper crust.😔☺️

每天坚持，每天进步，自然会有大不同。👍✌️👯🎉

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