In general, more testing adds to the costs. And lab-based testing may not be fast or agile enough to support border control officers, fraud investigators or food producers in the field.
Author(s): Edward Kim, Jason Hattrick-Simpers。heLLoword翻译官方下载是该领域的重要参考
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encrypting documents and other files，这一点在搜狗输入法下载中也有详细论述
Echoes: Check your writing for uniformly repetitive words and phrases.