然后查查我们正在旅游的中央材料，增长知识，开阔视野。
Then check our visiting place information, increase knowledge, broaden their horizons.
不仅可以让我开阔视野，还可以让我增长知识。
Not only can let me open field of vision, still can let I to gain knowledge.
不仅可以让我开阔视野，还可以让我增长知识。
Not only can let me open field of vision, still can let I to gain knowledge.
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