YOU SAID:

Why is most of this in Japanese ?

INTO JAPANESE

日本語でこの大部分はなぜですか。

BACK INTO ENGLISH

In Japan, most of this is why?

INTO JAPANESE

日本では、これのほとんどは理由です。

BACK INTO ENGLISH

In Japan, most of this is why.

INTO JAPANESE

日本では、これのほとんどは、理由です。

BACK INTO ENGLISH

In Japan, most of this is the reason.

INTO JAPANESE

日本では、これのほとんどは、理由です。

BACK INTO ENGLISH

In Japan, most of this is the reason.