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》

To combat this problem, some firms try to involve consumers in developing their brands.

为了对抗这一问题，一些企业试图让消费者参与到自己的品牌建设中来。

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The best way to combat this is found in this phrase: Rather than trying to adjust the wind, adjust your sails.

这时候最好的解决方法莫过于：调整你的风帆，不要试着改变风向。

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The United States has committed to send an additional 17,000 troops to Afghanistan this year for combat and training missions.

VOA: standard.2009.03.24

The Obama administration's efforts to combat the recession include an $800 billion economic stimulus package enacted earlier this year.

VOA: standard.2009.08.02

Clinton said the United States will "stand by all Iraqis, at this crucial time leading up to national elections, and we pledge to join them in working together to combat all forms of violence and attempts at intimidation."

VOA: standard.2009.10.26

To combat this, the reserve is trying to raise awareness and necessary funds by encouraging tourists to visit.

BBC: The rhino wars of central Kenya

To combat this perception among male colleagues, his advice is to focus on tone.

FORBES: The Bitching Point

In recent years, corporate governance advocates have pushed for reforms to combat this passivity.

FORBES: SEC's Political Disclosure Proposal Will Improve Corporate Governance