There is a fish in the sea ,there is another fish in the sea."翻译成中国的一句俗语是什么

There is a fish in the sea ,there is another fish in the sea."翻译成中国的一句俗语是什么

天涯何处无芳草.
同义句There is plenty of other fish in the sea.

天涯何处无芳草

天涯何处无芳草
何必单恋一枝花