The dreadful floods this year and last showed that untamed and unpredictable rivers can be both resource and threat.

去年和今年的洪灾表明，那些未经治理的河流既是资源又是威胁。

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The dreadful floods this year and last showed that untamed and unpredictable rivers can be both resource and threat.

去年和今年的洪灾表明，那些未经治理的河流既是资源又是威胁。

youdao