constraint
🇺🇸
/kənˈstreɪnt/
🇬🇧
/kənˈstreɪnt/
a limit or restriction that stops you from doing something freely
The budget constraint meant we had to choose cheaper materials.
預算限制意味著我們不得不選擇更便宜的材料。
strict control over how you act or what you are allowed to do
She felt no constraint and spoke her mind freely.
她感到沒有任何約束,自由地表達了自己的想法。