With no Rosetta Stone to act as a key for translation, the best we can do is guess at their purpose.

没有罗塞塔石碑语言软件作为翻译，我们最合适做的就是去猜测它们出现的目的。

youdao

He uncovers a French plot to infiltrate the museum and snatch the Rosetta Stone (the ancient artefact that provides the key to Egyptian hieroglyphs) in order to return it not to Egypt but to France, which first discovered and translated it.

ECONOMIST: Japanese cartoons