剑桥词典written abbreviation for proprietary , used in the names of private companies in Australia , New Zealand, and South Africa whose owners are responsible for only a limited amount of the companies ' debts （澳大利亞、新西蘭和南非的）私營公司（proprietary的縮寫） Mackenzie Investments Pty 麥肯齊私營投資公司 返回 Pty