— used to say that there are many more people available for a romantic relationship海里的鱼有的是；可以恋爱的人多的是
“I know you're sad because you and your boyfriend broke up, but he's not the only fish in the sea.” “You're right. There are many/plenty more fish in the sea.”“我知道，你和男朋友分了手很难过。不过，天下又不是只有他一个男人。”“你说得对，天下好男人多的是。”