No improvement to this sentence is necessary. It makes perfect sense on its own and sounds right. "Either" always takes an "or" else the word wouldn't make sense, as it's meant to contrast binary options.
eg.
I'm either going to eat food or drink water.
Yes: Students should wear uniforms, it keeps everyone equivalent and reduces the percentage of bullying in learning establishments.
Just examples
No: Students shouldn't wear uniforms, they should have the unchallenged, unprecedented, freedom to wear whatever they shall please.
Advised
behaving as someone, especially the speaker, would recommend; sensible; wise.
The right answer for the question that is being asked and shown above is that: "third-person omniscient perspective." The narrative style does Jhumpa Lahiri use in her short story “Once in a Lifetime” is that of third-person omniscient perspective<span>
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