Question

Bread and butter are essential for one's life

Answer 1

Answer:

yes they are essential

Explanation:

but what is your question can you elaborate please?

Answer 2

Bread and butter may be refer to the thing that one depends on for one’s income or livelihood, the item or process that provides one’s sustenance and lifestyle. Bread and butter is sometimes used to mean something ordinary, something that is everyday. When the term bread and butter was first used in the 1700s, it referred to one’s basic needs. It wasn’t until the 1800s that the phrase came to means one’s income or livelihood.

I did not quite get your question but I hope this helps :)