YOU SAID:

I have not seen a purple fish in 20,000 years.

INTO JAPANESE

私は2万年の間紫色の魚を見たことがありません。

BACK INTO ENGLISH

I haven't seen a purple fish for 20,000 years.

INTO JAPANESE

紫の魚は2万年も見ていません。

BACK INTO ENGLISH

I haven't seen purple fish for 20,000 years.

INTO JAPANESE

紫の魚は2万年も見ていません。

BACK INTO ENGLISH

I haven't seen purple fish for 20,000 years.