Constant vigilance is needed to combat this evil.

同这种邪恶作斗争需要时刻保持警惕。

《柯林斯英汉双解大词典》

So how do we combat this problem?

我们该如何应对这个问题？

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To combat this, people came up with an interesting solution.

为了防止这种情况，人们提出了一个有趣的解决办法。

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To combat this, people came up with an interesting solution.

为了防止这种情况，人们提出了一个有趣的解决办法。

youdao