be around中等

No one knows for sure when poetry began but it has been around for thousands of years, even before people could write.

没有人确切知道诗歌起源于何时，但它已经存在了数千年，甚至在人类会书写之前就已存在。

Sensible ideas have been around for a long time, but the state-level bodies that govern the profession have been too conservative to implement them.

合理的主张早就有了，但管理这一行业的州级机构过于保守，一直没有加以实施。