( Q8 X4 J) H n6 e+ x# z' ~( Y. D, |1 W+ TMeaning: Tendency to think about only one subject " Z* `5 D. S T9 h$ a , I4 \$ T1 C. x3 `. O$ X9 U, ?9 mExample / v8 v; d/ ^2 k) d: }; N6 F' P: h
My son has a one -track mind these days. He thinks only about cars.