Complex sentence: She returned to Hong Kong at the age of 18 in 1982 for a vacation, but ended up staying for modeling assignments and other commitments; she also shortly obtained a sales job at Lane Crawford department store.
Split into simpler sentences: She returned to Hong Kong at the age of 18 in 1982 for a vacation but ended up staying for modeling assignments and other commitments. She also shortly obtained a sales job at Lane Crawford department store.