求翻译：当《资本论》第一卷付印的时候，马克思给恩格斯写信说：“其所以能够如此，我只有感谢你！没有你为我的牺牲，我是决不可能完成三卷书的巨大工作的。我满怀感激的心情拥抱你。是什么意思？

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When the first volume of Das Kapital, Marx When printing to the Engels wrote: "It is to be able to do so, I can only thank you! Without you, I was in my sacrifice will never be completed 3 volumes of the great work. I am filled with gratitude the hug you.

When "Das Kapital" the first volume goes to press, Marx writes a letter to Engels said that,“Its therefore can so, I then thank you! You for mine sacrifice, I have not been possibly complete three volume books in no way the huge work.I fill with the gratitude the mood to hug you.

When the printing of the first volume of Das Kapital, Marx wrote to Engels said: "it so to be able to, I can only thank you! Without you sacrifice for me, I would never have been able to complete three-volume book the great work. I am a grateful heart hold you.

When the "Capital" Volume I, when printing, Marx wrote to Engels: "The so able to do so, I only thank you! Do not you sacrifice for me, I could never complete the work of the great three-volume book I embrace you with great gratitude.