Adam Smith thought there was pleasure to be had simply in admiring the craftsmanship of a well-made watch, even if its extra accuracy was of little practical benefit.
亚当·斯密认为仅仅是欣赏一块制作精良的手表的工艺就拥有了快乐，即使它的特别准确并没有什么实际好处。
High sensitivity photoelectric eye color tracing, numerical input of cutting sealing position for extra accuracy.
高感度光电眼色标跟踪，数字化输入封切位置，使封切位置更加准确。
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