对于敏捷与精益软件开发方法来说，使用基于模式的代码生成与自动化技术的动因是相当重要的。
For agile and lean software development methodologies, the motivation for using pattern-based code generation and automation techniques is significant.
今天推动因特网的基本技术不支持这样的机制。
The fundamental technology that drives the Internet of today does not support such mechanisms.
但科学技术的更迭，并导致对中等技工的需求降低，已被多数经济学家认可为驱动因素。
But the driving factor, most economists agree, has been technological change and the consequent lowering of demand for middle-skilled workers.
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