There's a question from Facebook here, and then we'll get the mic to Andrew.

CA：这里有来自 Facebook 的问题，然后我们会把麦克风交给安德鲁。

Sometimes the sound director would think the music was loud enough and they therefore didn't need to mic the music into the headset.

有时候音响指导老师可能觉得声音已经很大了，所以也就不会去特意调试助听耳机里的声音。

If you're a member of the media here, please feel free to put your hand up -- we'll throw a mic to you, and we'll do the best we can.

如果您是这里的媒体成员，请随时举手——我们会向您扔一个麦克风， 我们会尽力而为。