A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则,如果在一年内符合各种使用规定,就可更换。
When the doctor answered the phone, Mr.Gilbert said he was inquiring about a certain patient, a Mr.John Gilbert.
当这位医生接过电话时,吉尔伯特先生说他想询问一个病人的情况,是一位名叫约翰。吉尔伯特的先生。