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But theoretically, it is still not researched deeply.

但是理论上对其重要价值尚缺乏深入研究。

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Expropriation is legal but theoretically must be accompanied by prompt, adequate, and effective compensation and must be in the public interest.

征收资产虽是法定行为，但从理论上讲必须当场给予适当而有效的补偿，而且必须为公共利益而征收。

youdao

"In the past, it may have been difficult to become rich, but theoretically anyone could do it, whereas it seemed more unrealistic to even think about fame, " he says.

FORBES: Magazine Article

But considered theoretically, the economic loss could be tremendous.

FORBES: Pulling The Plug On Fat Ads

But while theoretically attractive, the practical politics are fearsome.

ECONOMIST: The Labour Party