| 单词 | 知识不足 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔concern〕Academics and employers are deeply concerned that students are not sufficiently prepared mathematically for university courses.学生掌握的数学知识不足以应付大学课程，这让大学老师和用人单位非常担心。柯林斯高阶〔mistake〕An error or a fault resulting from defective judgment, deficient knowledge, or carelessness.错误：由于有缺陷的判断，知识不足或粗心造成的失误或错误美国传统 |
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