Maybe not the most effective travel ad.

也许这不是最有效的旅游广告。

Maybe not the most effective travel ad, but tiny organisms that eat away at the nation's ancient artifacts are also being used to preserve them.

也许这不是最有效的旅游广告，微小的有机体正在侵蚀意大利的古代文物，也被用来保护它们。