介绍： 1.advantage [əd'vɑːntɪdʒ]
n. 优势，有利条件 v. 有利于
She took advantage of him even after they were divorced. 她甚至在他们离婚以后仍然利用他。
disadvantage n. 缺点，不利

2.merit ['merɪt]
n. 优点，价值 v. 值得
The argument seemed to have considerable merit. 这个论点似乎有相当大的价值。
demerit n. 缺点，过失
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介绍： 1.advantage [əd'vɑːntɪdʒ]
n. 优势，有利条件 v. 有利于
She took advantage of him even after they were divorced. 她甚至在他们离婚以后仍然利用他。
disadvantage n. 缺点，不利

2.merit ['merɪt]
n. 优点，价值 v. 值得
The argument seemed to have considerable merit. 这个论点似乎有相当大的价值。
demerit n. 缺点，过失

3.meritocracy [,merɪ'tɒkrəsɪ]
n. 精英教育，英才管理

4.flaw [flɔː]
n. 瑕疵，缺陷
The only flaw in his character seems to be a short temper. 他性格中唯一的缺点似乎就是脾气急躁。
flawless adj. 无瑕疵的，完美的

5.stain [steɪn]
n. 污点，瑕疵 vt.玷污，染污：
stainless steel 不锈钢

6.defect ['diːfekt; ]
n. 缺点，缺陷，不足之处
a character defect 性格缺陷
There are so many defects in our education system. 我们的教育体系中存在着诸多缺陷。

7.fault [fɔːlt]
n. 过错，缺点，断层
It’s all my fault. 都是我的错。

8.default [dɪ'fɔːlt]
v. 拖欠，不履行
The company defaulted on a $133 million loan. 公司拖欠了1.33亿美元的贷款。
n. 违约，缺席，系统默认值
Defaults rose to 4 percent of all the bank’s loans. 违约率上升到银行贷款总额的4%.
The default color of text on the screen is black. 屏幕上文本的默认颜色为黑色。

9.blunder ['blʌndə]
n. 大错 v. 犯大错
His failure to respond immediately to the accusations was a major political blunder. 他没有立即回应指控是重大的政治错误。error/mistake 错误