汽車遠端監控 豪美科技一般有GPS物流車隊管理系統的車隊真的比較有效率嗎?
兩封信告訴你 正式與非正式英文有何不同 下面有2封英語書信，你能分辨哪封是正式信件，哪封是非正式的嗎？信件1：Dear Sir or Madam,I am writing with regard to a ight that I missed due to a mistake by one of youremployees.Two weeks ago I was due to catch a ight to Rome, where I intended ...
