Original: Canadian actress Jewel Staite videotaped her audition from Vancouver and was asked to come to Los Angeles to meet Whedon, at which point she was cast for the role of Kaylee Frye, the ship's engineer.
Simplified: She videotaped her audition from Vancouver. she was asked to come to Los Angeles to meet Whedon, where she was cast for the role of Kaylee Frye, the ship's engineer.