Picture a rope tied around what you were going to do: you can still move, just not as far. The word names that rope. Sometimes it is circumstance doing the tying — there is only so much money, only so much time — and sometimes it is people setting limits on how others may behave. Either way, something that could have been wider has been pulled in.
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原始詞典資料5 筆記錄
以下是外部詞典記錄的用法，摘錄並精簡格式，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
constraintnoun/kənˈstɹeɪnt/
- 1
Something that constrains; a restriction.
- An engineer must recognize the difference between a constraint (to work within) and a problem (to be eliminated via resolution).
- Today’s electricity demand (65 EJ/a) is well covered by the range, but constraints may occur in the long run locally. Amongst large countries, Nigeria and India may need imports to meet electricity demand.
- 2
An irresistible force or compulsion.
- They confessed, but only under severe constraint.
- 3
The repression of one's feelings.
- Although his blood so rose against this man, and his wrath so stirred within him, that he could have struck him dead, he put such fierce constraint upon himself that he passed him without a word or look. Yes, and he would have gone on, and not turned, though to resist the Devil who poured such hot temptation in his brain, required an effort scarcely to be achieved, if this man had not himself summoned him to stop
- 4
mathematicssciencesA condition that a solution to an optimization problem must satisfy.
- 5
computingdatabasesengineeringA linkage or other restriction that maintains database integrity.
摘錄自 英文維基詞典 English Wiktionary，已精簡格式；依 CC BY-SA 4.0 授權使用，改動後的內容同樣以此授權提供。