This is not a romantic notion but verifiable fact.
这不是一个不切实际的念头，而是一个有依据的事实。
This is a known scientific fact and is verifiable.
这是一个已知的科学事实和核实。
Perfomatives: are the sentences that did not state a fact or describe a state, and are not verifiable. But they are used by the speaker to do STH.
既不是陈述事实也不是描写状态，无法证实，但被说话者用来做事的。
Perfomatives: are the sentences that did not state a fact or describe a state, and are not verifiable. But they are used by the speaker to do STH.
既不是陈述事实也不是描写状态，无法证实，但被说话者用来做事的。
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