Manager 經理
A manager is somebody who has a level of control and responsibility in a company or organization. For example, in a small clothing store, the salespeople would be responsible for selling and helping customers… and the manager would be responsible for making the salespeople’s schedule, organizing the store’s finances, training new salespeople, and resolving any problems among the employees.
經理是在公司或組織中有一定程度的控制和責任的人。例如，在一家小服裝店，銷售人員負責銷售和幫助顧客，而經理負責制定銷售人員的時間表，組織商店的財務，培訓新的銷售人員，解決員工的任何問題。
Boss 老闆
The word boss simply refers to the person above you in the company hierarchy.
If you are the employee, then the manager is your boss. If you are the director, then the vice-president is your boss.
Your boss is the person supervising you, who may be responsible for evaluating your work or giving approval for certain decisions.
“老闆”這個詞簡單地指的是公司等級中高於你的人。
如果你是員工，那麼經理就是你的老闆。如果你是董事，那麼副總裁就是你的老闆。
你的老闆是監督你的人，他可能負責評估你的工作或批准某些決定。
Administrator 行政主管
An administrator is simply a person who does administrative work (working with documents, paperwork, information and data, etc.)
An administrator can also be a manager or boss if he or she is the leader of a team of employees.
An administrator can simply be a regular employee.
行政主管就是做行政工作的人(處理文件、文件、信息和數據等)
行政主管也可以是經理或老闆，如果他或她是員工的領導。
行政主管可以簡單地成為正式員工。
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