So far we still have not found a safe way to dispose of nuclear waste.
到目前为止，我们还没有找到处理核废料的安全办法。
If you're still in doubt about whether it's safe to run or not, take your temperature.
如果你依然对跑步是否安全产生怀疑，那就带好体温计。
But still they do not feel safe.
尽管如此，人们仍然无法找到安全感。
And around half as many still do not have safe water.
其中有一半左右的人喝不到安全的饮用水。
And around half as many still do not have safe water.
其中有一半左右的人喝不到安全的饮用水。
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