YOU SAID:

which has gradually reversed since the 1970s.

INTO JAPANESE

これは、1970 年代から徐々 に逆転しています。

BACK INTO ENGLISH

This is gradually reversed since the 1970s.

INTO JAPANESE

これは 1970 年代から徐々 に逆転します。

BACK INTO ENGLISH

This is gradually reversed since the 1970s.