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The $40-an-Hour Wage and the Labour Signal From an Adult Learn-to-Swim Class in New YorkForty dollars an hour. One 90-minute teaching slot, once a week, Sunday noon ...2026-10-03 02:05bơi lộidạy bơi người lớntnyamasters swimmingthị trường lao động thể thaonew yorkphân tích dữ liệuusms The $40-an-Hour Wage and the Labour Signal From an Adult Learn-to-Swim Class in New York