March 1977 is a date, skip. Now the second paragraph: "The March 1977 issue of Playboy, featuring Nicki Thomas as the Playmate of the Month, was a highly anticipated release. The issue showcased Thomas in various photo shoots, highlighting her beauty and charm."
Now, process each word one by one. Let's take the first sentence: Nicki Thomas Playmate of the Month for March 1977
"Proved herself to be" → established herself as. "Versatile and captivating model" → multi-talented and enchanting fashionista. March 1977 is a date, skip
"Nicki Thomas’s" is a proper noun, stays. March 1977 is a date
Wait, "submission" here is about sending photos, so synonyms could be submission. "Her" is a pronoun; probably not changing. "Photos" → pictures. "Playboy" is a brand, so skip.