ph.

1. Some businessmen cannot adapt to change because they have tunnel vision.
有些生意人因为见识狭窄，不能顺应局势的变化。

1. 井蛙之见：tunnel through 通过地道 | tunnel vision 井蛙之见 | tunnel warfare 地道战

2. 視像開通：Copy Enchantment複製結界 1e | Tunnel Vision視像開通 2e | Scalpelexis史卡佩雷克斯 2e

1. 管状视;视野狭窄
If you suffer from tunnel vision, you are unable to see things that are not straight in front of you.

2. 一孔之见;狭隘的眼光;井蛙之见
If you say that someone has tunnel vision, you disapprove of them because they are concentrating completely on achieving a particular aim, and do not notice or consider all the different aspects of what they are doing.

noun

1. visual impairment involving a loss of peripheral vision