这里有一个小问题：你知道什么时候是大部份顾客服务人员最忙的时候吗？

Here's a trivia question: Do you know what's the busiest time for most customer service representatives?

youdao

这里有一个小问题：你知道什么时候是大部份顾客服务人员最忙的时候吗？圣诞节过后的那个礼拜。

Here's a trivia question: Do you know what's the busiest time for most customer service representatives? The week after Christmas.

youdao

但是因为这次有五个背包，又是旅行刚出发，所以有一点小问题，我常常要找个什么东西。

Because I brought 5 backpacks this time and this is just the beginning of the trip, there is a minor problem, I am always looking for things.

youdao

And the first question I think that you have on the quiz here is the following: what keyboard instrument is playing here?

这里有个小测验,第一个问题是,这段音乐是用什么键盘乐器演奏的

耶鲁公开课 - 聆听音乐课程节选