all men are the same at heart; everybody feels the same about this ❍ 吴三桂之请清兵入关，便是一想到自身的利害，即“～”的实例了。(《鲁迅选集》Ⅲ—260) We can see from the way Wu Sangui asked the Manchus to invade China,that “all men are the same at heart”when their own interests are threatened. …