From this passage we learn that an invention will not benefit the invetor unless it is reproduced to commercial practice.
从本文中我们了解到,只有把专利发明变成商业活动,它才能使发明者受益。
From the passage we learn that an invention will not benefit the inventor unless it is reduced to commercial practice.
从这一段我们知道，发明只有更多的用于商业，发明者才能得到利益。
From the passage we learn that an invention will not benefit the inventor unless it is reduced to commercial practice.
从这一段我们知道，发明只有更多的用于商业，发明者才能得到利益。
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