There is no doubt that an unhealthy breakfast will do harm to not only their health but also studies.

毫无疑问，一个不健康的早餐将不但对他们的健康有害，而且对学习有害。

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Choosing proper acid is not only has good reconstructive effect to the layer, but also do no harm to it.

选择合适的酸液体系不仅仅对油气层具有改造作用，而且对其不造成伤害。

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Not only raw material is saved, but also any harmful gases are not discharged, which doses no harm to environment.

既节省了原材料，又没有任何有害气体排放。对环境不构 成任何污染。

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Not only raw material is saved, but also any harmful gases are not discharged, which doses no harm to environment.

既节省了原材料，又没有任何有害气体排放。对环境不构 成任何污染。

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