Weapon and armor upgrades are valuable in the long run, but also expensive and very time-consuming.

长远看来武器和护甲的升级是有价值的，但是这需要付出昂贵的金钱和时间的代价。

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These days, antibiotics are a major weapon in medicine's war on disease, used to treat everything from life-threatening infections like meningitis to more run-of-the-mill ear infections.

近年来，抗生素一直是医学界对抗疾病的主要武器，从危害人体生命的脑膜炎到平常的中耳炎，到处都可以发现它的身影。

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In the long run, the sharpest weapon of all is a kind and gentle spirit.

在很长的一个时期内，最锋利的武器却代表着一种友善和绅士的精神。

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