So be realistic, be positive, set goals each week.
所以要现实一点，积极一点，每周设定目标。
| 单词 | Positive set |
| 释义 |
Positive set
原声例句
跟大叔Bob学英语 So be realistic, be positive, set goals each week. 所以要现实一点，积极一点，每周设定目标。
英语百科
Ideal (set theory)（重定向自Positive set）
In the mathematical field of set theory, an ideal is a collection of sets that are considered to be "small" or "negligible". Every subset of an element of the ideal must also be in the ideal (this codifies the idea that an ideal is a notion of smallness), and the union of any two elements of the ideal must also be in the ideal. |
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