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。
but I do not turn for protection to dreary cliches about respect of elders -- as if mere age were a reason for respect.
但我不会用应当尊重长者这一套陈词滥调来为我自己辨护,似乎年长就是受人尊敬的理由。