问题描述：
I think it difficult to run such a big city like Beijing.
----Beijing is a big city with a population of over ten million.
----Right.I think it difficult to run such a big city like Beijing.
俄想知道第二句什么意思
----Beijing is a big city with a population of over ten million.
----Right.I think it difficult to run such a big city like Beijing.
俄想知道第二句什么意思
问题解答：
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