harness[利用]/make use of/utilize/take advantage of

　　- eg: We can harness the power of the wind to generate electricity.;

　　eliminate[消除/排除]/discard/remove/exclude

　　-eg: eliminate noises/poverty/ilitercy消除噪音/贫穷/扫盲;

　　ruin[破坏]/damage/destroy/demolish