但是他一直在解释着，就像是他的博士论文答辩。
But he was explaining it like it was his PhD dissertation defense.
默述最棘手问题的答案对你的博士论文答辩会很有…
The rehearsal of your answers to the most difficult quesitons would be helpful in your doctoral defense.
默述最棘手问题的答案对你的博士论文答辩会很有…
The rehearsal of your answers to the most difficult quesitons would be helpful in your doctoral defense.
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