i think the use of multiple languages makes the book a lot more interesting because it persuades the audience with an emotional response.
that quote speaks about her argument, what a women goes through and how women are looked at. the three words in the begining of the quote is what makes an emotional connection.
like when Anzaldua writes " La Mojada, la mujer indocumentada, is doubly threatened in the country. Not only does she have to contend with sexual violence, but like all women, she is prey to a sense of physical helplessness (34).