But it's crucial to use the sharpest knife possible in trimming the essential from the secondary.
但是关键是把最锋利的刀刃用在发现事物的本质上。
A device for trimming paper to desired dimensions, typically a ruled board with a long pivoted cutting knife attached to one side.
裁纸刀，切纸机：一种把纸张裁剪到所需尺寸的器具，通常有一个一旁装有一把有转轴的长裁剪刀的直边。
At the time of folding, the knife will push the thread into the fold. After gathering, heat is applied to melt the trimming and forwarding.
折页时，折刀把线推入折口。集帖后，加热把线融化，粘牢各书帖，然后裁边及作进一步加工。
Three-knife trimmer: A guillotine designed with three knives for trimming sizeable stacks of books or magazines.
三刀切书机：设计用来裁切适量书本或杂志边缘的切纸机。
Three-knife trimmer: A guillotine designed with three knives for trimming sizeable stacks of books or magazines.
三刀切书机：设计用来裁切适量书本或杂志边缘的切纸机。
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