Andersin's classification statistic

例句：

1. 1.The Andersens are hosting a dinner party at their home tonight.
   安德森一家今晚在他们家举办晚宴。
2. 2.His name is Andersen, and he's the manager of our company.
   他叫安德森，是我们公司的经理。
3. 3.The Andersens have been living in this house for over 50 years.
   安德森一家已经住在这所房子里超过50年了。