Okay. So let's--I'm going to ask them to queue the next piece here while we talk about that just for a moment.

我先问问题然后再放下面的一段乐曲,我们刚刚才谈到的

耶鲁公开课 - 聆听音乐课程节选

I'd like to go by climbing a birch tree, And climb black branches up a snow-white trunk toward heaven, till the tree could bear no more, But dipped its top and set me down again.

我真想去爬白桦树，沿着雪白的树干，爬上乌黑的树枝，爬向那天心，直到树身再支撑不住，树梢碰着地，把我放下来。

耶鲁公开课 - 现代诗歌课程节选

Keep them up. Wave them in the air with a bit of motion.

先别放下手,再举一小会

耶鲁公开课 - 博弈论课程节选