We are still using the same testing techniques invented 20-30 years ago, some of which are crafted methods or heuristics rather than good engineering methods.是什么意思_We are still using the same testing techniques invented 20-30 years ago, some of which are crafted methods or heuristics rather than good engineering methods.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句