As we get ever closer to an object, our view becomes narrower and we see finer and finer detail.

当我们更靠近一个物体时，我们的视野就变窄了，看见越来越细微的细节。

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The streets get narrower until their names get downgraded from soi (street) to trok (alley), where the canopies from the buildings on one side almost touch the windows on the other.

BBC: Travelling back in time through Bangkok��s Chinatown

Bats has gone back to a fee structure that earns it a positive gross profit, but its spread of two-tenths of a penny per share is still far narrower than what Nasdaq, NYSE and other ECNs get.

FORBES: Magazine Article

This is why many patients now opt to get their knees, spines and cancer treated in specialty hospitals designed around a narrower set of procedures.

FORBES: How to Heal the Health Care System