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。
One day a young man named Kunta Kinte went off into the forest to cut down a tree as he wanted to make a drum.
有一天,一位叫孔塔·肯特的年轻人走进森林中去砍树,因为他想做一个鼓。