ideal
US /aɪˈdiː.əl/
UK /aɪˈdiː.əl/

1.
2.
想像的, 理論的
existing only in the imagination; not real or actual.
:
•
His vision of a perfect society is purely ideal.
他對完美社會的設想純粹是理想化的。
•
The concept of absolute freedom is often an ideal rather than a reality.
絕對自由的概念往往是理想而非現實。