Some of the diseases are well known, such as rheumatoid arthritis, multiple sclerosis and type-one diabetes.

VOA: special.2009.04.14

Well, a movement is simply an independent piece, that works oftentimes-- if there arre multiple movements in a symphony or concerto-- works with other movements.

简单来说,乐章就是些各自独立的篇章,在一首交响曲或协奏曲内,和其他的乐章和谐统一

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