Strong English is coming. My classmates always argue with me about the following lyrics and always say there are grammatical mistakes!

He must think there should be beautiful girls all over the world, right? Our English education always pays too much attention to grammar. In school, teachers always teach us to analyze sentence elements, but we should not be too dogmatic about grammar when learning a language. What we learn from novels is that Chinese is not from grammar, but from the surrounding language environment. If we take grammar too seriously, there will be a joke like this sentence, which your classmates think is grammatically wrong, just like this sentence. Er the world) translates as "beautiful women everywhere". Is it wrong to say "beautiful women are everywhere"?