South Sudan is a vast country with rich natural resources.

南苏丹有着广袤的国土，丰富的自然资源。

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It used to mean the control of vast human and material resources.

过去它意味着掌控者大量的人员和物资。

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China is a vast land rich in tourism resources.

中国地大物博，旅游资源丰富。

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China is a vast land rich in tourism resources.

中国地大物博，旅游资源丰富。

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