def display(self, sink=None, detail='phrase'):
        """ Friendly string for volume, using sink paths. """
        if not isinstance(detail, int):
            detail = detailNum[detail]

        if detail >= detailNum['line'] and self.size is not None:
            size = " (%s%s)" % (
                humanize(self.size),
                "" if self.exclusiveSize is None else (
                    " %s exclusive" % (humanize(self.exclusiveSize))
                )
            )
        else:
            size = ""

        vol = "%s %s" % (
            _printUUID(self._uuid, detail - 1),
            sink.getSendPath(self) if sink else "",
        )

        return vol + size