They can't explain the meaning of their work.
AUTHENTICITY: Brands, Fakes, Spin and the Lust for Real Life (2003)
They knew how to tell the story and explain the meaning of their discoveries.
A Short Guide to Writing About Science (1995)
Too often preaching does a good job of explaining the meaning of the text, but then fails to connect the text with the here and now of the listeners.
Christianity Today (2000)