这种担心可以追溯到至少是活字印刷术的出现。

This fear dates back to at least the invention of movable type.

youdao

至于文字方面的活字印刷术的表达是最棒的了。

As for the text of the print is the expression of the best.

youdao

答：印刷和活字印刷术肯定是这类发明中的两个。

Yates: Printing and movable type were certainly two of them.

youdao

答：印刷和活字印刷术肯定是这类发明中的两个。

Yates: Printing and movable type were certainly two of them.

youdao