For much of military history, battle was a continuous struggle between weaponry and protective systems: spear and shield, sword and mail, shell and armor.

对于大部分的军事历史来说，战场就是攻击武器与防卫系统持续不断的斗争：长矛与盾牌，利剑与盔甲，炮弹与装甲。

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Jakab is well aware that the struggle against antimicrobial resistance in Europe requires continuous vigilance if problems such as drug-resistant tuberculosis are not to get worse.

Jakab充分认识到针对欧洲抗菌素耐药性的斗争需要持续提高警惕，否则耐药性结核病等问题将恶化。

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We have, through continuous effort and struggle, won a great number of stable customer sources and general trading customers in electronic industry.

经过我们不断努力、打拼，在电子行业界建立起一大批稳定的客户，和一般贸易性的客户；

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Is it a continuous struggle to pay bills at all?

FORBES: Should I Quit?

And what you see in the film is a continuous struggle that they don't give up and they don't plan on giving up and that sort of is still current for Kainat and her family.

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