YOU SAID:

I think nature is important

INTO JAPANESE

自然は大事と思う

BACK INTO ENGLISH

I think nature is very important

INTO JAPANESE

自然は非常に重要だと思う

BACK INTO ENGLISH

I think nature is very important.

INTO JAPANESE

自然は非常に重要だと思います。

BACK INTO ENGLISH

I think nature is very important.