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最佳答案：we can save time and resources by this way.或者Doing this will be good for saving
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最佳答案：百度了一下中文意思, 如下:材料成本差异=实际成本-计划成本 差为正数,表示实际大了,叫"超支差"；差为负数,表示实际小了,叫"节约差"翻译如下:超支差异: v
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最佳答案：It's everyone's duty to save the water.用形式主语翻译较好.
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最佳答案：1/ important for.to save time.2/ forgive the mistakes3/ pay attention to4/ argue
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最佳答案：ead the detail above,pleases be careful with the equipment and don't waste pape
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最佳答案：We should save paper. We should use less disposable chopsticks.
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最佳答案：NO CLIMBINGSAVE WATERNO ROOM ,PLEASE PARK YOU CAR UNDER
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最佳答案：We should save energy, refuse to use plastic bags
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最佳答案：I think we should treasure the food, energy, and offer our own strength in order
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最佳答案：We work together,practice bar!大家一起努力,勤俭节约吧!Let our sky bluer,the water clearer!让