If you have spare time, you can watch a movie, Hello, Mother by Jia Ling.

如果你有空的话，可以看一部电影，是贾玲的《你好，李焕英》。

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Han Jia, how can you know so much?

韩佳，你怎么知道得这么多呢？

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Han Jia, we can only see from them that China was quite wealthy then, but why did you say exchanges with the outside world were very extensive then?

大牛：韩佳，这只能看出来当时的中国很富有，哪里看得出来交流广泛呢？

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