If your goal is to teach physics at the high school or junior college level, then obtaining a Masters degree usually involves two years of advanced course work but no original research.

如果你的目标是在高等学校或高年级大学水平教物理，获得硕士学位一般需要两年的进修课程，但没有原创的研究工作。

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As for the claim that exhibitions contribute to knowledge, the practice of having catalogues that cause no offence hastily written by committees usually discourages original research or the expression of controversial ideas.

ECONOMIST: The trouble with blockbusters