Luckily, there's some simple advice to help. Break up periods of sitting 30 minutes or more with a few minutes of walking or moving your arms.

幸运的是，有一些简单的建议可以提供帮助。将久坐30分钟或更长时间改为几分钟的步行或活动手臂。

Professor: Up until now in our discussions and readings about the broken early classical periods, we’ve been talking about the development of musical styles and genres within the relatively narrow social context of its patronage by the upper classes.

教授：到目前为止，在我们关于破碎的早期古典时期的讨论和阅读中，我们一直在谈论音乐风格和流派在上层阶级赞助的相对狭窄的社会背景下的发展。