He wrote that theaters should have large overturned amphora or sounding vases placed at regular intervals around the space to improve the acoustics.

他写道，剧院应该把双耳细颈椭圆土罐或共鸣缸定点倒置于空间周围，以改善音响效果。

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And, you know, one of the things that I'm always battling - and I've only been on the national stage for a couple of years now - is that tendency to edit yourself so much that, at a certain point, you stop sounding like a regular person and you start taking on, you know, the persona of, you know, those bad politicians in TV movies...

NPR: Before Midterms, a Chat with Sen. Barack Obama