in theory

基本解释

In theory, this should not be happening.
這從理論上來說是不應該發生的。
In theory, this problem should not occur, but in reality it does.
從理論上講，這個問題不應該發生，但實際它卻發生了。
In theory, everyone agrees that we need to strengthen and open up these institutions.
在理論上，每個人都同意我們需要加強和開放這些組織機搆。

And at least in theory I can make those schools compete against each other for my services."
And so in theory after just 2 or 3 steps you were in order of magnitude farther along in this counting process than I would be because I'd still be on person literally 3 or 4.
因此從理論上說,經過這樣短短的兩三個步驟,你們就有了分級次序，比我數數快多了,因爲我才數到第三四個人。
哈彿公開課 - 計算機科學課程節選
And inside of each of these cups is a different weight so that in theory all of these cups are different weights.
每個盃子裡的東西重量都不同,這樣，從理論上看，這些盃子的重量都不同。
哈彿公開課 - 計算機科學課程節選

Because in theory, the HOV lanes are flowing more freely than the stop and go traffic.
NPR: Hybrids and the 'Halo Effect' of Car Ads