One-Tack Mind/ M. t: P! U6 m% B1 X
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Meaning: Tendency to think about only one subject 6 ^/ \9 U2 U2 q3 z, i& l* |7 H 9 a7 c0 m, D: S- xExample 2 M; ]4 b6 Y4 }8 R7 i' {% o; ? 4 }9 k0 U8 q0 {! YMy son has a one -track mind these days. He thinks only about cars.