该公司运用复合材料来降低引擎的自重。
部分原因是有些公司运用某种机制去阻止拷贝行为。
Partly because some companies use mechanisms to prevent copying.
有一些公司运用一些伎俩,让我想起了现在金融上,出现的一些问题。
There was this really interesting trick that reminds me of a lot the financial stuff that's going on now.
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