uselessness的例句（uselessness在句子中的用法）

• Some people think this method of education is entire uselessness. 有些人认为这一教育方法完全不起作用.
• What troubled him most was the uselessness of Fanny's effort. 他想的最多的还是范妮在绘画上徒劳无益的努力.
• Unemployment leads to a sense of uselessness, to say nothing of financial problems. 失业会让人觉得自己一无是处，更何况还会带来经济问题。