Rubbish may be universal, but it is little studied and poorly understood.

或许垃圾到处都有，但关于垃圾的研究屈指可数，人们对它的了解也少得可怜。

youdao

Rubbish may be universal, but it is little studied and poorly understood.

或许垃圾到处都有，但关于垃圾的研究屈指可数，人们对它的了解也少得可怜。

youdao