Question

Surprisingly, via, road, is the root in the English word trivial (tri-, three). Where three roads intersect, you are likely to find busy traffic, lots of people, in short a fairly public place, so you are not going to talk of important or confidential matters, lest you be overheard. You will, instead, talk of trivial things—whatever is unimportant, without great significance; you will confine your conversation to trivialities or to trivia, insignificant trifles. it's obvious

Accepted Answer

trivia is also a plural noun. Word Power Made Easy SESSION 22

知识	Surprisingly, via, road, is the root in the English word trivial (tri-, three). Where three roads intersect, you are likely to find busy traffic, lots of people, in short a fairly public place, so you are not going to talk of important or confidential matters, lest you be overheard. You will, instead, talk of trivial things—whatever is unimportant, without great significance; you will confine your conversation to trivialities or to trivia, insignificant trifles.
拓展	trivia is also a plural noun.
《》	it's obvious
出处	Word Power Made Easy SESSION 22

Word Trivial Talk Surprisingly Road Root English Tri