YOU SAID:

There's plenty more fish in the sea.

INTO JAPANESE

海にはたくさんの魚があります。

BACK INTO ENGLISH

There are a lot of fish in the sea.

INTO JAPANESE

魚は海にはいくらでもいる。

BACK INTO ENGLISH

In the sea, there are as many fish as you like.

INTO JAPANESE

魚は海にはいくらでもいる。

BACK INTO ENGLISH

In the sea, there are as many fish as you like.