Cell phone companies have been all too eager to stress their products' harmlessness.

手机厂家们太急于强调他们产品的无害性质。

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Lithium manganese oxide spinel is considered as a most promising positive material for lithium-ion secondary batteries because of its low cost and environmental harmlessness.

尖晶石锂锰氧化物具有资源丰富、成本低、无污染等突出优点，被公认为是一种最有前途的锂离子二次电池正极材料。

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Mila's predisposition is towards peace, nonviolence, and harmlessness.

Mila的天性是和平、非暴力和不伤害的。

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Petyr masterfully created the illusion of harmlessness.

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And it does so in a dumbed-down Esperanto that its audience can't fail to understand -- the universal language of commercial TV sitcoms, with their constrained cultural vocabulary and their subtext of harmlessness: Don't be offended, none of this really means anything, it's just a goof about a lot of dumb stuff going down around us.

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