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The key to credible causal inference is not just the method, but how well the method fits the question at hand.

我們?cè)趦?nèi)心做的事會(huì)改變外在的現(xiàn)實(shí)。

The white race believes—believes with all its heart—that it is their right to take the land.

文學(xué)之美在于其超越時(shí)空的能力。