What is a sentence with foci?

You can't have a sentence with "foci" in the singular form. "Foci" is the plural of "focus."

Here are some examples of sentences using "foci":

* The artist's attention was drawn to the two distinct foci of the photograph. (Meaning: There were two specific areas the artist was drawn to.)

* Our research team has identified several key foci for the project. (Meaning: There are multiple important areas of focus for the research.)

* The company's marketing strategy has shifted its foci towards sustainability and social responsibility. (Meaning: The company's marketing efforts are now focused on these two areas.)

Remember, "foci" is used when referring to more than one focus point.