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。
For men accustomed to eating seven-course dinners and sleeping between fine linen sheets at home, the change to the Alps must have very hard indeed.
对于过惯了一顿饭吃7道菜、睡亚麻细布床单的人来说,变换一下生活环境来到阿尔卑斯山山区,那一定是很艰难的。