我有几个朋友,平时很热心帮助人,出钱出力,不遗余力。但是,凡是他帮助过的人,不久都会成为怨敌,对方得了好处,不但不感恩图报﹝或是暂时感激一阵子﹞,而且产生种种不满和怨恨。这几个朋友时而问我;这到底是什...

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