's名词所有格，除了表达所属关系以外，还用于职业、姓名的名词之后，表示店铺、住宅及公共建筑等名词。这时，所有格后的名词常常省略。

go to the hairdresser's = go to the hairdresser's shop  去理发店

at the barber's = at the barber's shop  在理发店

at the tailor's = at the tailor's shop  在裁缝铺

at the butcher's = at the butcher's shop  在肉铺

at the doctor's = at the doctor's office  在诊所

go to Tom's = go to Tom's house  到汤姆家去

at the Greens' = at the Greens' home  在格林家