мелочь

In a sentence

• У меня нет мелочи для парковки.

  I don't have small change for parking.

  In this sentence, 'мелочь' refers to small denominations of money, often coins.

• Это не мелочь, это действительно важно.

  This is not a trifle; it's really important.

  Here, 'мелочь' is used metaphorically to mean something considered insignificant or trivial.

• На полке лежала какая-то мелочь, вроде пуговиц и булавок.

  There were some small items on the shelf, like buttons and pins.

  In this example, 'мелочь' denotes small, insignificant objects or minor items.